Consider the following controls in an automobile: gas pedal, brake, steering wheel. What are the controls in this list that cause an acceleration of the car? (Select all that apply.) only the steering wheel only the brake the gas pedal, the brake, and the steering wheel only the gas pedal

Q: The contestant now pulls the block of ice with a rope over his shoulder at the same angle above the…

A: Given values: The angle with horizontal, θ=25°

Q: Three boxes of different masses are accelerated by a pushing force F along a frictionless floor. The…

A: Pushing force = F Mass of box A, mA=4kg Mass of box B, mB=2kg Mass of box C, mC=6kg Accceleration to…

Q: Two motorcycles are at rest and separated by 7.5 m. They start at the same time in the same…

A: Initial velocity of each motorcycle (u) = 0 msacceleration of the motorcycle at the back (a1) = 1…

Q: What kind of friction force is present when two surfaces in contact are not in relative motion?…

A: Solution-: Answer-: 2nd static friction. The friction between two surfaces in contact they are not…

Q: FR2: A cat climbs up the side of a tree, tilted at a 10 degree angle relative to the vertical (the…

A: Given, The angle by which the tree is tilted, θ=10° mass of the cat, m=5 Kg

Q: An inventive child named Nick wants to reach an apple in a tree without climbing the tree. Sitting…

A:

Q: Q3: A car travels at a constant speed of 12.6 m/s on a level circular curve of radius 54m. (a) What…

A:

Q: Which of the following statements is correct? (Select all that apply.)

A:

Q: The student, whose mass is 68 kg, gets on a ferris wheel rotating at a constant speed. When the…

A: Given : mass of the student, m=68 Kg Reaction force by the seat at the top point, R=556 N…

Q: Two people are sitting on playground swings. One is pulled back 4 degrees from the vertical and the…

A:

Q: 25. A car which is initially at rest rolls down a smooth inclined plane as shown below. Which of the…

A:

Q: A race car driver is told that her new tires will increase the frictional force between the tires…

A: Let the original velocity = u The final velocity = v The initial coefficient of friction = μkLet the…

Q: Which of the following steps would most likely result in lowering the force of a collision? a…

A: By Newton's 2nd law, Force is given by, F=Change in momentumTime=∆pt=m(v-u)t

Q: difference between statics and dynamics in the field of biomechanic

A: Difference between statics and dynamics in the field of biomechanics and force.

Q: Tired drivers should continue on to the nearest rest area or other facility. They shouldn't pull…

A: Tired drivers should continue on to the nearest rest area or other facility. They shouldn't pull…

Q: A physics student in an elevator, places a 200.0 g mass on an electronic balance.  The balance,…

A: Solution: Given: A physics student in an elevator, places a 200.0 g mass on an electronic balance.…

Q: A child sits on the seat of the swing/pulley system shown in the picture. Their friend begins to…

A: Given, Speed of the free end of the rope is = 0.90 m/s Distance to reach the platform in the tree =…

Q: If you are driving at 30 m/s and slam on your brakes and skid at 0.4 g to a full stop, how long does…

A: We need to calculate the time taken for the car to stop from its initial speed of 30 m/s.

Q: A car is towing a boat on a trailer. The driver starts from rest and accelerates to a velocity of…

A: To solve the problem we will calculate the acceleration first and then using Newton's 2nd law of…

Q: Sally is driving at a constant speed of 25 m/s on a straight horizontal road. She sees an obstacle…

A:

Q: A 60 kg person stands on a bathroom scale in an elevator. What does the scale read when the elevator…

A: Given:-  The mass of the object is m = 60 kg. it is on the elevator  Find:-  a) what does the scale…

Q: A mechanic is dragging an 18-kg tire across the floor at a constant velocity, while pulling with a…

A: The free-body diagram of the object is shown below. Here, m is the mass, F is the applied force,…

Q: A 50.0 kg girl and a 100 kg boy, stand on a frictionless frozen lake at a distance 6.0 m apart.…

A: mass of girl = 50 kg mass of boy = 100 kg distance between girl and boy = 6 m force exerted by boy…

Q: car starts from rest and accelerates at a constant rate until it reaches 90 mi/hr in a distance of…

A:

Q: A car travels at a constant speed of 12.6 m/s on a level circular curve of radius 54m. (a) What…

A: here, speed = 12.6 m/s radius = 54 m

Q: In the figure, two blocks are connected over a pulley. The mass of block A is 11.0 kg and the…

A:

Q: A 2100-kg Jeep travels along a straight 400-m portion of highway (fr constant speed of 10 m/s. At B,…

A:

Q: Phil is trying to dunk a basketball and leaves the ground with a vertical velocity of 3.5 m/s. a)…

A:

Q: An amusement park in Dubai has a ramp which is frictionless. A child drops a smooth object and it…

A: Given: The height is h=2.2 m. The coefficient of friction is u=0.7. According to work energy…

Q: In the Atwood's machine shown in the diagram, two masses M and m are suspended from the pulley. What…

A: M>m Let the acceleration is a

Q: A ball is launched directly upward from the ground with an initial velocity of 13 m/s, with the…

A:

Q: The tension in a string from which a 6.0-kg object is suspended in an elevator is equal to 44 N.…

A: Mass of object is Tension in the string is Note:Find:Acceleration of elevator.

Q: 0.350 and 0.480. Vehicles of all types travel on the road, from small VW bugs weighing 1110 lb to…

A:

Q: Say that an object of mass is pushed by a system of two radial Forces and moves with a constant…

A: In uniform circular motion the speed of the object is constant.but the direction of speed…

Q: Choose the correct word to make a sensible statement. The first law of motion is the law of inertia…

A: First law of motion: When a body is in motion or at rest it will continue in it's state of motion…

Q: A steel ball was measured to take 8.9 s to roll down a ramp of length 70 cm at an angle of 20◦ from…

A: Here we will make FBD of the system and we will see that the ball has net accelaration gsin20 along…

Q: A ball is falling through air.  Calculate the terminal speed (a positive number, in m/s) if these…

A: Mass of the ball, Acceleration due to gravity,  Coefficient of air resistance,

Q: Sally is driving at a constant speed of 25 m/s on a straight horizontal road. She sees an obstacle…

A:

Q: Model Mass Initial Velocity Final Velocity Speed Limit Road Conditions Time of Day Lamborghini…

A: Given Data, Mass of car A mA=1550 kg Mass of car BmB=2100 kg Initial velocity of car B uB=0 mph…

Q: QUESTION 23 A block is at rest on a rough inclined surface as shown in the figure. Which of the…

A: Hi, you have posted multiple questions without specifying which question to be solved so we will…

Q: If your speedometer reading is 45 mph, but your tires are larger than factory-installed tires, how…

A: Here in both cases, the angular velocity of the wheel will be constant, the change in the linear…

Q: Describe the motion of a person not wearing a seat belt if the car stops suddenly- Select one: O a…

A:

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!