In which of the following examples of motion, can the body be consideredapproximately a point object:(a) a railway carriage moving without jerks between two stations.(b) a monkey sitting on top of a man cycling smoothly on a circular track.(c) a spinning cricket ball that turns sharply on hitting the ground.(d) a tumbling beaker that has slipped off the edge of a table.

Q: he axles and wheel bearings of the car to be  ?=0.015μ=0.015 .  If the car let's off the…

A: Given:-  It takes the car 800 meters to roll to a stop (without using the breaks), The coefficient…

Q: (3.) In the figure shown below, the 20 kg block is acted upon by friction (assume µk = 0.39) and is…

A:

Q: Consider the various forces that a passenger in a car would sense while traveling over the crest of…

A:

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

A:

Q: Is there a force acting on an object that moves in a circular motion? yes? why? in what direction?,…

A:

Q: 2.Calculate the highest speed a car can reach over a 196.85-foot distance starting from a…

A: GivenDistance to be reached by car,d=196.85 footWeight of automobile is not uniformly…

Q: Consider a car moving along a straight horizontal road with a speed of 72km/h. If the coefficient of…

A:

Q: m1 = 14 kg and m2 = 15 kg are connected by a light inextensible string passing over a frictionless…

A: Given:-  m1= 14 kg m2= 15 kg  Two masses m1 = 14 kg and m2 = 15 kg are connected by a light…

Q: Which statement is true about an inertial frame of reference? It is one in which Newton's Laws of…

A: Introduction :- Here we are given that a inertial frame of reference and based on this frame we have…

Q: Two masses of 2.50 kg and 6.00 kg are connected by a light string that passes over a frictionless…

A: The two masses are attached to one another by a single string. Both the masses are acted upon by a…

Q: Sketch an example pulley system where the speed of one mass is two times (2x) the speed of the…

A:

Q: Can you cite an example in which the acceleration of a body is opposite in direction to its…

A: Velocity of a body is defined as rate of change of displacement with time. And acceleration of a…

Q: A man is riding a skateboard; he is moving at a constant speed when he threw the ball into the air.…

A: Introduction of Laws of Motion: 1) Newton First Law states that "An object at rest stays at rest or…

Q: Can A Body Have A Constant Speed And Still Have A Varying Velocity?

A: Yes if the body is travelling with uniform speed in a circular track its speed remains the same but…

Q: A compact car has a maximum acceleration of 2.6. When it carries only the driver and has a total…

A: Given: The initial total mass of the car is 1345 kg. The final total mass of the car is 1745 kg. The…

Q: Will the car hit the squirrel?

A:

Q: In the diagram below, two identical blocks are connected via a massless string. The string is pulled…

A: The friction force is a force that obstructs the motion of the body. It is the force on the body by…

Q: A car is moving at a constant velocity and makes a turn to the left. Has the acceleration of the car…

A: A vector quantity is defined by a magnitude and a direction. Acceleration is a vector quantity. When…

Q: A 0.50-kg ball that is tied to the end of a 1.4-m light cord is revolved in a horizontal plane, with…

A:

Q: A man pushes a box with mass 155.89 kg. It slides with constant velocity down a ramp inclined at…

A:

Q: Raindrops can fall at different speeds; some fall quite quickly, others quite slowly. Why might this…

A:

Q: Suppose you wish to whirl a pail full of water in a vertical circle at a constant speed without…

A: Given that :r=0.65m+0.17cmg=9.81 m/s2

Q: A body of mass 2 kg is tied to the end of a string 2 m long and revolved in a horizontal circle. If…

A: To find-Maximum velocity of the body (V)=?Given data-m=2 kg,r=2 mT=400 N

Q: An object near the surface of a distant planet is dropped from rest (assume no air resistance). If…

A: Acceleration, a = 2 (9.8) = 19.6 m/s2 time, t = 1 s  initial velocity, u = 0 m/s

Q: W A gray car with a mass of 1500 kg, a wheelbase length (1)of 2000 mm and a wheelbase width (w) of…

A:

Q: 2. Two drivers traveling side-by-side at the same speed suddenly see a deer in the road ahead of…

A: Two drivers traveling side-by-side at the same speed suddenly see a deer in the road ahead of them…

Q: A hammer of mass m = 0.45 kg is moving horizontally at a velocity of v = 5.5 m/s when it strikes a…

A:

Q: Is it possible for a physical system to experience a zero net displacement without being at rest?

A: Introduction: The displacement is a vector length of the initial and final position of the…

Q: ks) (a) Calculate the net acceleration of a space shuttle and rockets at the time of liftoff. (b)…

A: Given   force produced during the lift of on shuttle and rocket F = 1.7 × 107 N Mass of shuttle and…

Q: The U.S. Air Force uses "10gs" (an acceleration equal to 10 x 9.8m/s²) as the maximum acceleration a…

A: We have to determine the time spend by the enterprise in accelerating. We know the given data…

Q: Which of the following could be an inertial reference frame? Choose all that apply. DA rocket that…

A:

Q: The force that propels a rocket is provided by   (A) Gravity (B) Newton’s laws of motion (C) Its…

A: According to Newton's second law of motion ,net force acting on an object is given as,  F= m a  Here…

Q: A constant retarding force of 50 N is applied to a body of mass 20 kg moving initially with a speed…

A:

Q: The acceleration due to gravity on Earth differs slightly from place to place, depending on…

A: Consider the graph between the velocity and the time. Since the metal ball is dropped from the rest,…

Q: (a) What happens to the gravitational force between two objects if their separation is doubled?

A: Since you've asked multiple questions, we will solve the first question for you. If you want any…