Does a baseball bat slow down when it hits a ball? Defend your answer.

Q: Correct your friend who says, “The dragster rounded the curve at a constant velocity of 100 km/h.”

A: Velocity is a vector quantity. It has both magnitude as well as direction. In a circular motion,…

Q: Be picky and correct your friend who says, “In free fall, air resistance is more effective in…

A: An object that falls free is an object that comes under the influence of gravity. Anybody which only…

Q: A firefighter of mass 80kg slides down a vertical pole with an acceleration of 4m/(s^2). Show that…

A: As per question, firefighter slides down a vertical pole.Therefore, two forces acting on…

Q: Is it possible to move in a curved path in the absence of the force? Defend your answer.

A: It is not possible to move in a curved path in the absence of force. According to Newton’s first law…

Q: Suppose you roll a ball off a tabletop. Will the time to hit the floor depend on the speed of the…

A: Answer Rolling speed does not affect the time to hit the floor

Q: Your friend sits at rest on a chair. Can you say that no force acts on her? Or is it correct to say…

A: A system, object, or body attains equilibrium condition that is comes to rest or remain in rest, if…

Q: Discuss whether or not a falling object increases in speed when its acceleration of fall decreases?

A: Whenever we have a positive acceleration, the speed will increase, irrespective of the magnitude of…

Q: If two objects having the same size fall through air at different speeds, which encounters the…

A: Air resistance force is increasing with the increase of speed and the frontal area of the object.

Q: Does the acceleration of the balls change with the angle of incline? How does it affect the…

A:

Q: What happens when a moving bumper car collides with a stationary bumper car?

A: The bumper cars are powered by electricity, which is conducted by a pole on the rear of the vehicle…

Q: Consider a mass of 1 kg accelerated 1 m/s2 by a force of 1 N. Show that the acceleration would be…

A:

Q: Does a baseball bat slows down when it hits a ball? Defend your answer.

A: According to Newton’s second law of motion,

Q: How do you relate high jump to projectile?

A: A projectile is a body in free fall that is subject only to the forces of gravity 9.8 ms2 and air…

Q: What happens to its velocity when a coin is tossed upward while ascending? Its acceleration? (Ignore…

A: It is required to discuss the velocity of a coin tossed upwards and its acceleration while…

Q: When a heavy football player and a light one run into each other, who exerts more force?

A: Newton's law of equation of motion states that the external force exerted by any object on the other…

Q: Do heavier objects fall more slowly than lighter objects?

A: Heavier things have a greater gravitational force, and lighter things have a lesser gravitational…

Q: What will happen to an object at rest when an unbalanced force acts on it?

A: According to Newtons 1st law, if a object is at rest or in uniform motion will remain in rest or in…

Q: What weight change occurs when your increases by 2 kg?

A: Let the change in mass be denoted as Δm.The corresponding change in weight will be,

Q: Sam rolls a ball off a tabletop. Compared with a slow roll , will a faster-moving ball hit the floor…

A: Faster moving ball will hit the ground with greater speed.

Q: Calculate the force needed to speed up a car with a rate of 5ms, if the mass of the car is 1000 kg.

A: According to Newton's 2nd Law:   F = ma                                 ...... (1)               (…

Q: When you push a cart, it moves. When you stop pushing, it comes to rest. Does this violate newton's…

A: The law of inertia says:Every object continues in its state of rest, or of uniform motion in a…

Q: Consider a business jet of mass 30,000 kg in takeoff when the thrust for each of two engines is…

A: The equation for the acceleration is given by,

Q: A jet plane has a takeoff speed of vto =75 m/s and can movealong the runway at an average…

A: The formula to calculate the distance covered by the plane is,

Q: What is the acceleration of the cart?-

A: Given data: The mass of cart is: m = 5.2 kg The acceleration of the cart is: a The net force on the…

Q: A massive stone and a stone of one-half the mass are dropped from a tall building at exactly the…

A: The equation for the time taken by an object dropped from a height to reach the ground is given by,

Q: If i rolled a ball off a table and at the same time dropped a second ball straight down from the…

A:

Q: Does a baseball bat slow when it comes in contact with a ball traveling opposite of the baseball…

A: The baseball bat applies a force on the ball to change the direction of the ball, thus changing the…

Q: Why do we disregard air resistance when calculating velocity?

A:

Q: A ball rolls off the edge of a table and hits the floor below. If the ball’s speed were somewhat…

A:

Q: If you climb a ladder and drop a ball from different heights, due to gravity, both balls -- one at…

A: At higher height, the ball drops down from the ladder. During the duration of the fall, the ball’s…

Q: A regular tennis ball and another filled with lead pellets are dropped at the same time from the top…

A: The ball which will strike the ground first is heavier tennis ball as the resistance due to air on…

Q: How does the force of gravity on a raindrop compare with the air drag it encounters when it falls at…

A: The force of gravity acts on the raindrop in vertically downward direction whereas the air drag…

Q: 5 kg A = 0.3 Vans 2 kg velocity of 2 kg = ? when it traveled 3 m

A: According to question we need to find velocity of 2 kg weight after 3m travelling.

Q: What is the effect of air resistance on velocity of a projectile?

A: Objects moving through air are slowed down due to air resistance, sometimes called drag.

Q: The mass of an object is O egal to its weight in deep pace Ovonfetimes egil to its wght Onever eqal…

A: Mass of object is defined as the quantity of matter of a physical body

Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.