Brakes of force 34699.07 N are applied to stop a car on a road having coefficient of friction 0.33. What is the maximum possible mass for the car to have for this sytem to work? (kg) Note: The car may be real or a toy car!
Q: Calculate the average force a bumper would have to exert to bring a 1000-kg car torest in 20 cm when…
A: Given data: The mass is m = 1000 kg The initial speed is u = 8 m/s The displacement is h = 0.20 m…
Q: A farm tractor tows a 3300-kg trailer up a 14° incline with a steadyspeed of 2.8 m>s. What force…
A: Apply Newton's second law along the incline to find the force exerted by the tractor on the trailer
Q: As a protest against the umpire's calls, a baseball pitcher throws a ball straight up into the air…
A: The forces on the ball along the vertical direction will be :The force exerted by the pitcher, F…
Q: A 138-Newton horizontal force is exerted upon a 4.6 kg box to move it across a level surface at a…
A: Draw the free-body diagram of the object.
Q: The figure shows an overhead view of a 0.025 kg lemon half and two of the three horizontal forces…
A: For the lemon half to be at stationary , the net force on it should be zero.
Q: A5 kg object under the influence of a varying force F as shown in figure. If the object start from…
A: From the graph, we first need to find the work done on the 5 kg object The area under the force vs…
Q: Which one of the following choices is an example of a non-conservative force? gravitational force…
A: We know that, Conservative force : The conservative force does not depend on the path.…
Q: The figure shows an overhead view of a 0.0260 kg lemon half and two of the three horizontal forces…
A:
Q: Consider two scenarios. A ball of weight 10 N rolls on the floor and a block of weight 10 N slides…
A: The force required to set the ball of weight 10 N into rolling is same as the force required to set…
Q: The figure shows an overhead view of a 0.025 kg lemon half and two of the three horizontal forces…
A:
Q: A 0.6 ton motor is moving on a leveled highway at a speed of 108 km/hr. How large is a retarding…
A:
Q: A 3.00-kg block starts from rest at the top of a 30.0° inclineand slides 2.00 m down the incline in…
A: part A:
Q: A force of 258 N is used to push an object 49.0 m horizontally in 2.45 s. expended by the external…
A: We have givenForce (F)=258 NDistance (d)=49.0 mTime taken (t)=2.45 s
Q: Estimate the minimum force that Microraptor must exert to fly.A. 0.65 N B. 1.3 NC. 1.0 N D. 10 N
A: Microraptor is like four winged dinosaurs.
Q: A 0.6 ton motor is moving on a leveled highway at a speed of 108 km/hr. How large is a retarding…
A: Given : m = 0.6 ton = 600 kg vo = 108 km/hr = 30 m/s v = 0 m/s because finally the motor stops s =…
Q: Brakes of force 35671.05 N are applied to stop a car on a road having coefficient of friction 0.61.…
A: Frictional force is provided by applying brakes .
Q: *26. ao Under the influence of its drive force, a snowmobile is moving at a constant velocity along…
A:
Q: A student exerts a force of 48.0 N to compress a spring 5.50 cm. The force constant for the spring…
A: Given data: Force (F) = 48.0 N Comparison in spring (x) = 5.50 cm Required: Force constant (k) for…
Q: A 1.8-kg person riding a slide down a rough hill of 20° slope. If the kinetic coefficient of…
A:
Q: What is the height from which a car of mass m = 1270 kg must be dropped in order to acquire a speed…
A: Given data: Mass (m) = 1270 kg Initial velocity (v0) = 0 m/s Final velocity (v) = 88.5 km/h…
Q: A 94109410‑kg car is travelling at 27.827.8 m/s when the driver decides to exit the freeway by going…
A: Given values:Mass of the car, M = 94109410 kgInitial velocity of the car, u = 27,827.8 m/sCoasting…
Q: A crate of mass m = 12.80 kg is pulled by a massless rope up a 36.9° ramp. The rope passes over an…
A: Work done on an object due to a constant force F that displaces it by a distance d is given by W=Fd…
Q: As a protest against the umpire's calls, a baseball pitcher throws a ball straight up into the air…
A: Given,
Q: A vehicle with a mass of (3482.44)kg is being tested for its engine consumption by measuring the…
A: Consider the figure describing the given situation. Here, F represents the force needed to move…
Q: The system shown below is on verge of starting to move up the incline. Each block weight 55 N and an…
A:
Q: As a protest against the umpire's calls, a baseball pitcher throws a ball straight up into the air…
A: The expression for the net force is,
Q: A 0.6 ton motor is moving on a leveled highway at a speed of 108 km/hr. How large is a retarding…
A:
Q: As a protest against the umpire's calls, a baseball pitcher throws a ball straight up into the air…
A: Given,
Q: An object of mass 3.00 kg is subject to a net force Fx that varies with position as in the figure…
A:
Q: Two blocks of m-1kg and M32kg are pushed along a horizontal frictionless surface by a constant…
A: Given Data : The Mass of block 1 is given as M = 2Kg. The mass of block 2 is given as m = 1Kg. The…
Q: A Go Kart (m=D35 kg) has a top speed of 12 m/s. A student traveling at top speed locks the brake to…
A:
Q: Shown below is a graph of a force applied to a small object as a function of time. If the object has…
A: We have Force v/s time graph for an object of mass m=5 kg. If we divide the y-axis of the graph by 5…
Q: As a protest against the umpire's calls, a baseball pitcher throws a ball straight up into the air…
A:
Q: A 46.0-kg crate was pushed 10.4 m across a rough floor without acceleration by two people, with an…
A: Frictional force is the opposing force formed between two surfaces that are trying to move in the…
Q: A 5 kg object under the influence of a varying force F as shown in figure. If the object start from…
A: Calculate the work done from x=0 to x= 8m.
Q: There is an object with a mass of 2.6 kg that is free to move on a horizontal surface without any…
A: Mass of body= 2.6 kg F =(3N)i^+(4N)j^ Distance, s= 1m
Q: A 6 kg block initially at rest is pulled to the right along a rough surface ( cl) by a constant…
A: Component of vector along x axis = A cosθ Component of vector along y axis = A sinθ
Q: If a net horizontal push of 132 N is applied to a person applied with mass 60 Kg who is resting on…
A: Given The net horizontal force applied to a person is F=132 N. The mass of a person is m=60 kg.…
Q: The force that causes the object to move back toward its equilibrium point is called a(n) none of…
A:
Q: A car of mass 931 kg coasts on a level road, starting with an initial speed of 15.7 m/s and coming…
A: Given data: Mass (m) = 931 kg Initial velocity (V0) = 15.7 m/s Final Velocity (v) = 0 m/s, coming to…
Q: As a protest against the umpire's calls, a baseball pitcher throws a ball straight up into the air…
A: According to the given condition, the initial speed (u) is zero and the final speed (v) is 22 m/s.…
Q: A shopper in a supermarket pushes a loaded cart with a horizontal force of 10 N. If the cart has a…
A: Given value--- applied force = 10 N. mass = 30 kg. time = 3 sec. initial velocity = 0 m/sec. We…
Q: What is the average force exerted by a 70 kg passenger on his seatbelt when his car crashes onto a…
A:
Q: A 75kg bicyclist (including the bicycle) is pedaling uphill with a speed increasing at a rate of…
A: Solution:-
Q: A 100-kg block is being released from rest from a height of 1.0m. It then takes 0.90 s to reach the…
A: Given
Q: The 102-kg crate is constantly subjected to the action of the two forces as shown. After the crate…
A: Given: Crate mass, m=102 kg Distance crate slides, d=10 m Speed attained, v=16438.271 mm/s=16.44 m/s…
Q: A bicyclist and his bicycle have a mass of 105 kg. What forces is necessary to bring him to rest…
A: Data given:Mass of the bicyclist, m = 105 kgInitial velocity, u = 25 m/sec.Final velocity, v = 0…
Q: A 74507450‑kg car is travelling at 28.728.7 m/s when the driver decides to exit the freeway by going…
A: The initial kinetic energy of the car equals the final potential energy, kinetic energy and work…
Step by step
Solved in 2 steps with 1 images
- Repeat the preceding problem, but including a drag force due to air of fdrag=bv .Check Your Understanding Suppose that Balto in Example 2.10 leaves the game to attend to more important matter, but Astro Clifford and Dug continue playing. Astro and Clifford’s pull on the toy does not change, but Dug rims around and bites on the toy in a different place. With how big a force and in what direction must Dug pull on the toy now to balance out the combined pulls from Clifford and Astro? Illustrate this situation by drawing a vector diagram indicating all forces involved.A CIB00) kg ear accelerate over adistance of (iz0)M due to anet force of (420)N if its initial speed Was (40)kmlur. what its final 8peed?
- The human head can be considered as a3.3-kg cranium protecting a 1.5-kg brain, with a small amount ofcerebrospinal fluid that allows the brain to move a little bit insidethe cranium. Suppose a cranium at rest is subjected to a force of2800 N for 6.5 ms in the forward direction. (a) What is the finalspeed of the cranium? (b) The back of the cranium then collideswith the back of the brain, which is still at rest, and the two movetogether. What is their final speed? (c) The cranium now hits anexternal object and suddenly comes to rest, but the brain continues to move forward. If the front of the brain interacts with thefront of the cranium over a period of 15 ms before coming to rest,what average force is exerted on the brain by the cranium?A 10N force is applied (pushed down) at a 37 degrees angle onto a Box at rest. The Box then reaches a speed of 30 m/s in 15 seconds along a frictionless surface. What is the mass of the Box in kg?A 4.45 x 104N truck is travelling at 100 km/h. If the coefficient of friction between the tires and the roadway is 0.50, whatis the minimum distance the truck will go before stopping?
- In the following figure m = 20.0 kg and a622 The coetticient of kinetic friction betwoen the biock and the incline is a -0.40 (Eigure 1) Part A What must be the mass my of the hanging block ifit ia to descend 14.5 m in the tinst 3.00 s after the system is neleaned from rest? Express your anewer with the appropriate units. Figure t of 1 my Value Units Submit Bequest Aner Provide Feedback Next>Illinois Jones isbeing pulled from a snake pit with a ropethat breaks if the tension in it exceeds 755N. (a) If Illinois Jones has a mass of 70.0kg and the snake pit is 3.40 m deep, whatis the minimum time that is required topull our intrepid explorer from the pit?(b) Explain why the rope breaks if Jonesis pulled from the pit in less time than that calculated in part (a)he Atwood machine shown below, m, -2.00 kg and my 6.80 kg. The masses of the pulley and string are negligible by comparison. The puley tus without ricton and the string does not stretch The ter object is released with a sharp push that sets it into motion at v -2.35 m/s downward. (a) How far will m, descend below ts intial level (b) Find the velocity of m wter 10s magude direction Additional Materials Sclecd- wcy abook Activate Windos pward
- A cube of mass ?? is initially at rest at thepeak of an inclined plane, which has a heightof 4.6 m and has an angle of θ = 25° withrespect to the horizontal. After it has beenreleased, you notice it to be travelingat v = 5.5 m/s as it leaves the ramp. What isthe coefficient of kinetic friction along theramp?A driver who does not wear a seatbelt continues to move forward with a speed of 18.0 m>s (due to inertia) until somethingsolid like the steering wheel is encountered. The driver now comesto rest in a much shorter distance—perhaps only a few centimeters. Find the magnitude of the net force acting on a 65.0-kg driverwho is decelerated from 18.0 m>s to rest in 5.00 cm.A. 3240 N B. 1.17 * 104NC. 2.11 * 105N D. 4.21 * 105NAforce of 109N is used to accelerate a block of icewith a weight of 614N along a horizontal surface where it encounters a kinetic friction force of 38N.What is the horizontal acceleration of the block of ice?