A racing car and a moving van are both traveling at 40 km/h. Which of the two vehicles will require more force to stop? Why?

Q: How does a skydiver reduce the force on his body while landing? decreasing his mass increasing his…

A: When a skydiver falls he accelerates downward. His velocity increases every moment as gravity acts…

Q: A woman stands on a bathroom scale in a motionless elevator. When the elevator begins to move, the…

A: Given Actual weight = mg  Apprant weight = normal Reaction = 0.62 mg

Q: Objects with greater have greater inertia. a. friction O b. speed c. mass O d. force

A: Object with greater ___ have greater inertia

Q: A man pushes two boxes with the same amount of force (because they look identical and he can’t see…

A:

Q: When changing the mass of an object in free fall and neglecting friction through the air, what…

A: Here body performed free fall motion. Let the mass of  body m fall from height h with zero initial…

Q: Consider a crate at rest on a factory floor. As a pair of workmen begin lifting it, does the support…

A: Since, as the crate is getting pulled, the force due to gravity which is constant "mg" is balanced…

Q: If you apply the same amount of force to a bowling ball and a golf ball the golf ball moves faster…

A: Answer is inertia . Momentum is directly dependent on mass and velocity of the object Changes in…

Q: A crane very slowly lifts a 2.50×102-kg2.50×102-kg crate a vertical distance of 16.0 m.

A: Work done is expressed as W = F.d = Fdcos(x) Where x is the angle between F and d. Since the force…

Q: Place a heavy book on a table and the table pushes up on the book. Why doesn’t this upward push…

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Q: Two skydivers jump from a plane at the same time. Skydiver 1 has a mass of 50 kg and Skydiver 2 has…

A: Terminal velocity of skydivers

Q: What forces are acting on a dropped book that falls to the floor? O Gravity only Gravity and air…

A: What forces are acting on a dropped book that falls to the floor ?

Q: A 75-kg petty thief wants to escape from a third-story jail window, Unfortunately, a makeshift rope…

A:

Q: What average net force is required to bring 1000[kg] car to rest from a speed of 4.0[m/s] within a…

A:

Q: A large truck traveling at 40 mi/hr down Lake Avenue collides with a Monarch butterfly that is…

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Q: A 0.6 kg squirrel falling at 14 m/s hits in a pile of leaves and comes to rest in 2 s. Find the…

A: Using kinematic equation, the expression for find acceleration is a=v-ut Substitute values in the…

Q: Which is more difficult to stop a sailboat or a cruise ship?why?

A: A cruise and a sailboat, both stay afloat on water due to the buoyant force acting on them.

Q: If a bicycle and a massive truck have a head-on collision, upon which vehicle is the impact force…

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Q: A 0.20-kg hockey puck initially traveling 5.0 m/s is pushed on ice by a hockey stick with a constant…

A:

Q: The player has to apply more force (as the mass of the football is more) O a Newton's Third Law O b…

A: When the mass of the ball is higher, the force required to move a ball by the player will be higher.

Q: What forces are acting on a dropped book that falls to the floor? Gravity only Gravity and air…

A: Required Forces acting on the dropped book.

Q: Several boxes were placed on top of a table and stacked on each other. The masses are the following:…

A: Given: The masses of the objects are 10 kg, 5 kg, and 1 kg. The free-body diagram is given below.

Q: What will happen to the acceleration of an empty cart when loaded with vegetables and the cart’s…

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Q: This is the upward force exerted to the object. A. friction O B. weight O C. tension O D. normal…

A:

Q: A car is moving at 50.0km/hr. it’s mass is 1500kg. if it is to reduce its speed by 50% over 100.0m…

A: Given data The initial speed is u=50 km/h=13.89 m/s The speed is reduced by n=0.50 The distance…

Q: What forces are acting on a dropped book that falls to the floor? Gravity only Gravity and air…

A: When a book falls to the floor, which all forces act on it.

Q: You kick a smooth flat stone out on a frozen pond. The stone slides, slows down eventually stops.…

A: a smooth stone was kicked on frozen pond. The stone slides down and stops. it means that initially…

Q: What three forces are present as a basketball is tossed upward into a hoop? push, weight,…

A: To identify the three forces present as a basketball is tossed upwards into a hoop

Q: 2.6. A car of mass 750 kg is accelerated from rest by a constant force of 500 N for a distance of…

A: The third equation of motion is  v2 = u2 + 2 a s  where, u is the initial velocity, v is the final…

Q: A person is holding a 5.00-m long, 1.79 kg bar stationary and horizontally, shown above. The thumb…

A: FBO For EquillibriumΣF =0          ΣM = 0

Q: Blocks with masses of 1.0 kg, 2.0 kg, and 3.0 kg are lined up in a row on a frictionless table. All…

A: The free-body diagram for each block,

Q: A rocket expels 1.2 x 10^3 kg of gas each second at a speed of 5.0 x 10^4 m/s. Will the thrust…

A: Gravitational force or weight of the rocket W= 5.8 x 107 N Mass flow rate of the gas m=1.2 x 103…

Q: Which combinations of forces results in the car moving at a constant speed?

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Q: When a basketball player dribbles a ball, it falls to the floor and bounces up.  Is a force required…

A: When the ball hit the ground then there is collision after the the momentum of the ball changes.…

Q: A person pushes a shopping cart with a force of 15 N and the cart starts moving away from the…

A:

Q: Place a heavybook on a table and the table pushes up on the book. Why doesn't this upward push cause…

A: Every massive object experience gravitational force on it due to gravity of earth. When two bodies…

Q: Why does a heavy parachutist fall faster than a lighter parachutist who wears a parachute of the…

A:

Q: A snowboarder flies off a ramp and is in midair. Is the snowboarder weightless currently? Why or why…

A: The phenomenon of weightlessness occurs when there is no force affecting the body. When a…

Q: A person gives a box a shove so that it slides up a ramp, then reverses its motion and slides down.…

A: The friction force acts opposite to the relative motion.

Q: A box with a mass of 10 kg is at rest on a table. The normal force acting on the box is 98 N up 989…

A: Newton's 2nd law is defined as F=ma Here F is the net force, m is mass and a is acceleration.

Q: Two go-karts are pushed from the same starting point with the same constant force. They are each…

A: Given data Same constant force is applied at the Two go-karts. The distance moved by the go-kat is:…

Q: What is the net force experienced by a 2N object sitting on a table with a 5 N object on top of…

A: Consider the free-body diagram for the given objects as follows.

Q: Blocks with masses of 3.0 kg, 4.0 kg, and 5.0 kg are lined up in a row on a frictionless table. All…

A: The answers are below

Q: A baseball bat moving at high velocity strikes a feather. If air resis- tance is neglected, compared…

A: Given data: The bat strikes a feather Air resistance is negligible Required: Comparison between the…