A force F = (7.10N)Î + (4.00 N)ĵ + (5.00 N) k acts on a 1.70 kg mobile object that moves from an initial position of di = (3.70 m) î + (8.10 m)ĵ + (2.00 m) k to a final position of df = (2.80 m)î + (8.50 m)} + (4.40 m) k in 1.70 s. Find (a) the work done on the object by the force in the 1.70 s interval, (b) the average power due to the force during that interval, and (c) the angle between vectors d; and df. (a) Number | Units (b) Number the tolerance is +/-5% |Units (c) Number Units

Q: A single force of F(t) = 3t + 6 acts on a box that is initially stationary on a frictionless…

A: c. 12.0 m/s is the correct answer

Q: A soccer ball with mass 0.420 kg is initially moving with speed 2.00 m/s. A soccer player kicks the…

A: Mass of the ball = 0.420 kg Initial speed = Vi = 2 m/s Final speed = Vf = 6 m/s Force applied = F =…

Q: A 5.2 x 105 kg subway train is brought to a stop from a speed of 0.95 m/s in 0.57 m by a large…

A: Given, The mass of the subway train = 5.2×105 kg =m  Initial velocity of the train = 0.95 m/s = Vi…

Q: 60 kg skier skis without friction down a slope which is 100 m high and along a path thag is 200m…

A: Given: The mass of the object is 60 kg. The height of the object from the ground is 100 m. The path…

Q: A sled and a rider together have a combined mass of 87 kg. They slide from rest down a frictionless…

A:

Q: A 2.27-kg particle is subject to a net force that varies with position as shown in the figure. The…

A:

Q: k2 k Total force (N) 2000 1500 1000 500 Distance (cm) 60 10 20 30 40 50 Both springs are described…

A:

Q: A 30.0-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of…

A:

Q: 1. A 45.0 kg object is pushed up an incline as shown with a horizontal force of 300.0 N. The object…

A:

Q: A body of mass 16 kg initially at rest is subject to a force 4 N. What is the kinetic energy…

A:

Q: A 1.00 kg rock at rest is lifted a distance 5.00m above the ground for 3.00 s. What is the Power…

A: mass of rock (m) = 1 kg height (h) = 5 m time taken (t) = 3 seconds

Q: The only force acting on an object of mass 2.00 kg moving along the x-axis is shown in the figure.…

A: The force at t=4 s is 16 N.  Force is given by,  F=ma Calculate the acceleration as,  16=2×a  a=8…

Q: A 7.0-kg rock is subject to a variable force given by the equation F(x) = 6.0 N - (2.0 N/m)x + (6.0…

A: Given :- m = 7 kg  u= 0 F(x) = 6.0 N - (2.0 N/m)x + (6.0 N/m2)x2

Q: When a click beetle is upside down on its back, it jumps upward by suddenly arching its back,…

A: Mass of beetle,

Q: If a 1.6 kg object is initially at rest on a frictionless, horizontal surface and subjected to a…

A: Given data:  Mass (m) = 1.6 kg Initial velocity = 0 m/s Force (F) = 12.2 N Distance (d) = 3.99 m…

Q: A car is traveling at 40 m/s when the driver slams on the brakes and brings it to a straight-line…

A: Given that,u=40 msv=0t=4.2 sa=?

Q: A ball has a speed of 15 m/s. Only one external force acts on the ball. After this force acts, the…

A: Initial speed (u) = 15 msFinal speed (v) = 7 msLet the mass of ball = m

Q: A single force of F(t) = 3t+ 6 acts on a box that is initially stationary on a frictionless…

A: a. 12.0 m/s is the correct answer

Q: A net force along the x-axis that has x-component Fx = −12.0N + (0.300N/m2)x2 is applied to a 5.00…

A:

Q: A car generating a power of (99582.78)watts is traveling on a road with a coefficient of kinetic…

A: P=99582.78 Wattv=33.57 ms

Q: A constant force of 8.0 N is exerted for 4.0 s on a 16-kg object initially at rest By how much will…

A:

Q: How much power is developed by an airplane that cruises at 300 m/s when the thrust of its engine is…

A: Thrust ( T ) = 1.5 * 10 5 N  Velocity ( v ) = 300 m/s

Q: A object of mass 3.00 kg is subject to a force Fx that varies with position as in the figure below.…

A: Given,

Q: A hand pushes block A (m= 3 kg) with a constant force Nand. A= 75 N for a distance Ax = 2 m along a…

A:

Q: 35. The work done by a force F in moving a particle of mass m from a point A with position vector a…

A:

Q: A golf club strikes a 0.062-kg golf ball in order to launch it from the tee. For simplicity, assume…

A: Suppose a golf club hits a ball having mass m with the force F and the golf club is in contact with…

Q: A 5.0 kg bundle starts up a 37° incline with 145 J of kinetic energy. How far will it slide up the…

A:

Q: A body of mass 10 kg at rest is acted upon simultaneously by two forces 4 N and 3 N at right angles…

A:

Q: Calculate the final speed vs of a 2.00-kg object that is pushed 2.00 kg for 34.0 m by a 30.0-N force…

A:

Q: A force acting on a 2.00 kg object is given by F(x) = (2.00 N/m) x + (1.00 N/m³)x³. An object starts…

A: Given value--- mass = 2 kg . F = 2x + x3 . We have to find--- speed of object at x = 2 m .

Q: 7. A constant force with a magnitude of 1.9 x 10 newtons is required to keep an automobile having a…

A: 7. Given  Force F = 1.9 × 103 N  Mass m = 1×103 kg  Displacement S = 2 × 103 m

Q: The graph shows how the force (in units of N) acting on a 4.00 kg particle varies with position. If…

A:

Q: A 15 kg box is pulled with an applied force of 40 N with a rope at an angle of 40 degrees above the…

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Q: Jadon is 5 years old and weighs 45.0 pounds. He is sitting on a swing when his cousinAllison pulls…

A:

Q: A baseball player exerts a force of 80N on a ball for a distance of 0.7m as he throws it. If the…

A:

Q: Using a simple pulley and rope system, a т, crewman on an Arctic expedition is trying to…

A: Draw the free-body diagram of the block and crewman as shown below.

Q: Using a simple pulley and rope system, a crewman on an Arctic expedition is trying to lower a crate…

A:

Q: A robot drops a 1.2kg package from the roof of a building 12.4m tall.  Ignoring wind resistance,…

A: Given , mass = 1.2 kg height = 12.4m We know that g = 9.8 m/s2

Q: A 2.1 ✕ 103-kg car starts from rest at the top of a 4.9-m-long driveway that is inclined at 16° with…

A: Given information: The mass of the car (m) = 2.1×103 kg The length of the drive way (d) = 4.9 m The…

Q: A particle of mass 0.6 kg is acted upon by a force F varies with position x as shown in the figure.…

A:

Q: How much gravitational potential energy (in J) (relative to the ground on which it is built) is…

A:

Q: A object of mass 3.00 kg is subject to a force Fx that varies with position as in the figure below.…

A: Given,

Q: When the speed of an object is quadrupled, its kinetic energy is    A. doubled   B. increased by…

A: Given: The speed of the object becomes quadrupled.

Q: 4) The force on a 3.00-kg object as a function of position is shown in the figure. If an object is…

A: The total work done by the object will be the area under the force-distance curve. The area under…

Q: A object of mass 3.00 kg is subject to a force Fx that varies with position as in the figure below.…

A: Area under force-displacement graph will give the work done.Area under graph from x=0 m to x=5 m is,

Q: m 100 kg 1.0 m

A: The given data are: M=100 kgh=1 mt=0.9 s Here, M denotes the heavier mass, h denotes the height, and…

Q: A 0.07 kg hockey puck slides across an icy surface and experiences a small friction force of 0.08 N…

A:

Q: f the resultant force acting on a 2.0-kg object is equal to (3i+4j)N, what is the change in kinetic…

A:

Q: An office worker smacks a table, bringing his hand to rest in 0.0025 seconds from an initial speed…

A: