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Q: A bullet fired from a rifle begins to fall(a) as soon as it leaves the barrel.(b) after air friction…

A: bullet fired from a rifle begins to fall

Q: A student sees her physical science professor approaching on the sidewalk that runs by her dorm. She…

A: The professor is 2.0s being directly under her window

Q: A block of mass 10 kg rests on an incline of 20°. The magnitude of the friction force on the bloEk…

A:

Q: A light cord passes over a frictionless pulley of negligible mass. A 6. kg mass is attached to one…

A:

Q: The acceleration of a ball as it rolls down a ramp is 4 m/s2. The ball is referred to 2 s after it…

A:

Q: A string passing over a frictionless pulley has a mass of 7 kg attached to one of its ends. To the…

A: solution as

Q: Water drops fall from the edge of a roof at a steady rate. A fifth drop starts to fall just as the…

A: Given: Height of the window is h = 1.00 m

Q: A woman on a bridge 75.0 m high sees a raft floating at a constant speed on the river below. Trying…

A:

Q: When a car suddenly starts from rest, the passengers due to their inertia. O a. stay still O b. fall…

A:

Q: A car starts from rest and goes down a slope with a constant acceleration of 5 m/s2. After 10 s the…

A: In the given problem the acceleration is constant so the Newton's law of motion can be used to…

Q: A tennis ball is dropped from the top of a tall building. A second tennis ball is thrown down from…

A: A tennis ball dropped from the top of a tall building. A second tennis ball is thrown down from the…

Q: A weight on the end of a spring bobs up and down one complete cycle every 5 seconds. It's time…

A:

Q: Two masses are connected by a string and pulled along a frictionless surface by another string to…

A:

Q: the system is released from rest, hat is the constant acceleration of the syster hat is the tension…

A: Given:-  Three-block A, B, and C are shown in the figure at the different positions and connected by…

Q: 1. An object of mass M is attached to another object of mass m by a massless string. Mass M slides…

A: Given, Body of mass M attached to another of mass m Massless string & frictionless pulley

Q: Two objects with masses of 3.00 kg (left) and 5.00 kg (right) are connected by a light string that…

A: The free body diagram is given by T-m1g=m1a   (1)m2g-T=m2a   (2)

Q: Consider a 625 N cat burglar supported by a cable as in the figure. 35.8

A:

Q: The stream of a river is flowing with a speed of 2 km/h. A swimmer can swim at a speed of 4 km/h.…

A:

Q: A train begins from rest and accelerates to a maximum speed in 70 seconds. The train travels at 30…

A:

Q: A stone that is initially at rest dropped from the top of the building. It falls for 5.0s before…

A:

Q: 15. Why does an object in motion remain in motion, while an object at rest, rem O The object is…

A:

Q: when a car brakes hard, _ is moving backward.  1. the driver inside the car 2. nothing 3. the car…

A: Given:- when a car brakes hard what is moving backward.

Q: The Tension force in a string (you may select more than one answer): May act upon different objects…

A: Tension Force: In physics, the tension force is the force that is caused by the stretching or…

Q: If the acceleration of the elevator is downward, which would not be possible? A weight of the…

A: Given data:  The direction of acceleration of the elevator is towards downward Required: The…

Q: A 9.9 kg mass resting on a smooth (frictionless) horizontal table is connected to a cable that…

A:

Q: Two objects are hung from ropes. The top object (m1) has a mass of 21 kg and the bottom object (m2)…

A: Here, TA is the tension in string A TB is tension in string B

Q: 1. force that q2 exerts to q3 * 90000N O 22500N O 10000 N O 2.0 x 10 * 4 N O 5.1 x 10 ^-5 N O ON

A:

Q: A car travels a distance of 100km. For the first 30 minutes it is driven at a constant speed of…

A:

Q: A ball is thrown upward with a velocity of 10 m/s. Its velocity... Select one: a. decreases while…

A:

Q: You’re pushing a heavy filing cabinet across your office. You are tiring quickly and the cabinet is…

A: The newton third law, every force will have equal and opposite reaction.

Q: The parking brake on a car causes the rear wheel to lock up what would be likely consequences of…

A: Rotation and translation are 2 attributes associated with motion. Rotation is when body revolves…

Q: Vehicles carrying inflammable materials usually have metallic ropes touching the ground during…

A:

Q: You hit a wall with a stick. The equal but opposite reaction is O the wall pushes against you O you…

A: Using Newton's 3rd law of motion to solve the problem

Q: An object at rest will remain at rest and an object in motion will remain in motion until and unless…

A: Newton's first law of motion states that a body will remain at rest, or, if in motion, remains in…

Q: A car travel at 49 km/hr for two hours. It then travels an additional distance of 20 km in 3 hours .…

A: Given : Average speed for two hours 49 km/hr Then it travels an additional distance of 20 km in 3…

Q: The three pieces of information required to know the position of an object are the: _______ the…

A: The position is a vector quantity that tells us how far we are from a reference point in a…

Q: The acceleration of a ball as it rolls down a ramp is 4 m/s2. The ball is referred to 2 s after it…

A: Apply the kinematics formula,  S=ut+12at2 Given : Acceleration a=4 m/s2 Time t=2 s

Q: A body falls freely from rest. Find the following: a. Its acceleration. b. The distance it falls in…

A:

Q: A box of mass (m1=3.00 kg) rests on a table, but is also supported by a mass, (m2=1.14 kg) hanging…

A:

Q: A body falls freely from rest. Find the following: a. Its acceleration. b. The distance it falls in…

A: Given: A body falls freely rest, its initial velocity, u = 0 m/s   Solution: a. Since, the body is…

Q: 77. A car is towing a boat on a trailer. The driver starts from rest and accelerates to a velocity…

A: According to Newton's second law, T=ma                               ...... (1) According to the…

Q: A light cord passes over a frictionless pulley of negligible mass. A 6.00 kg mass is attached to one…

A:

Q: Can you find the acceleration of the two objects and (c) the tension of the cord ( the cord is the…

A:

Q: An object is dropped from a very tall bridge.  If it takes 18.74 s to reach the ground below, how…

A: Apply the kinematics formula S=ut+(1/2)at2 Given: Time taken by object to reach the ground, t= 18.74…

Q: Inertia is the tendency of the body to resist motion or changes in motion. It depends on the…

A: The tendency of the body to resist motion or change in motion varies with mass.

Q: A car accelerates from rest when a traffic light turns green. A cup of coffee that was sitting on…

A: Newtons first law of motion :  Newton's first law states that if a body is at rest or moving at a…

Estimate of calculation