A football punter accelerates a football from rest to a speed of 15 m/s during the time in which his toe is in contct with the ball (about 0.19 s). If the football has a mass of 0.46 kg, what average force does the punter exert on the ball? N

Q: (a) As you approach a stoplight, you apply the brakes and bringyour car to rest. What happened to…

A: a ) As we approach a stoplight, we apply the brakes and bring the car to rest. At that time the…

Q: The figure shows overhead views of four situations in which forces act on a block that lies on a…

A: Given

Q: please help!

A: Given:Initial velocity of the ball = 0 m/sFinal velocity of the ball = 15 m/sTime of contact, t =…

Q: A .22 rifle bullet, traveling at 350 m/s, strikes a large tree, which penetrates to a depth of 0.130…

A: Given: The initial speed of the bullet is 350 m/s. The mass of the bullet is 1.8 g. The stopping…

Q: (c) If the time of contact between the balls is 0.03 s, what is the force exerted by the heavier…

A: Calculate the velocity of lighter after collision by using conservation of momentum. For…

Q: D) What is the force in which the ground exerts on the block? E) What is the force in which the…

A: Given data The first force is F1=20 N The angle of the first force is, θ1=30o The second force is…

Q: The applied force is no longer applied, and the block is still on the new surface with a force of…

A:

Q: d. Determine the mass, m3, assuming that m1 and m, are accelerating down the ramp at a rate of…

A:

Q: What is the magnitude of the average force, in newtons on a 0.022 kg bullet to accelerate it to…

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

Q: A car of mass 875 kg is traveling 30.0 m/s when the driverapplies the brakes, which lock the wheels.…

A:

Q: A 900 kg automobile is at rest at a traffic signal. At the instant the light turns green, the…

A:

Q: 2000 kg car is slowed down uniformly from 20.0 m/s to 5.00 m/s in 4.00 s. (a) Calculate…

A:

Q: Superman must stop a train traveling at v = 120 km/h in a distance d= 150 m to keep ot from hitting…

A:

Q: The front 1.20 m of a 1600 kg car is designed as a "crumple zone" that collapses to absorb the shock…

A: Let the initial velocity of the car be  u, the distance traveled by the car before coming to rest be…

Q: The front 1.20 m of a 1,200-kg car is designed as a "crumple zone" that collapses to absorb the…

A:

Q: Two blocks connected by a cord passing over a small, frictionless pulley rests on frictionless…

A:

Q: (a) Why does an ordinary rifle recoil (kick backward) when fired? (b) The barrel of a recoilless…

A:

Q: The International Space Station has a mass of approximately 370,000 kg. a. What is the force on a…

A: It is given that, m1=130 kgm2=370000 kgG=6.67×10-11 N.m2/kg2r=22 m

Q: A shopper in a supermarket pushes a loaded cart with a horizontal force of 11 N. The cart has a mass…

A:

Q: A 1000 kg automobile is at rest at a traffic signal. At the instant the light turns green, the…

A:

Q: A 1250 kg automobile is at rest at a traffic signal. At the instant the light turns green, the…

A:

Q: Imagine a semi-truck and a minivan are about to collide. The semi-truck obviously has a larger mass,…

A:

Q: A racecar of mass 725 kg starts from rest and reaches a speed of 45 m/s in 4.0 s. a. Determine the…

A:

Q: A table of mass 15 kg and length 6 m stands on a flat horizontal surface. A package is placed on the…

A: at the equilibrium, The sum of forces acting along y direction is zero.

Q: a) How much force is needed to stop the person in 0.047 seconds?

A:

Q: a) A dockworker applies a constant horizontal force of 65.0N to a block of ice on a smooth…

A:

Q: A cricket ball of mass 155 g is hit at a speed of 164 km/h straight at a nearby fielder, who catches…

A:

Q: b. Which vehicle will experience the greater change in momentum? Justify your answer. c. Which…

A: Given, Hummer and Prius ,travel with equal speed V

Q: A 1370 kg jeep traveling at 19 m/s can be stopped in 24.0 s by gently applying the brakes. a) What…

A:

Q: A). You push an object, initially at rest, across a frictionless floor with a constant force for a…

A: (A)According to Newton’s second law of motion, the force exerted an object is,If the force is five…

Q: A rocket has a total mass of 1.17  105 kg and a burnout mass of 1.03  104 kg, including engines,…

A:

Q: A large rocket has a mass of 2.00×106kg at takeoff, and its engines produce a thrust of 3.50×107 N .…

A: Given: The mass of rocket is m=2.00×106 kg. The engines produce a thrust of Fnet=3.50×107 N. The…

Q: After falling from rest from a height of 29 m, a 0.45-kg ball rebounds upward, reaching a height of…

A: Given,

Q: A 950 kg automobile is at rest at a traffic signal. At the instant the light turns green, the…

A: At time t=3.7 s, the position and the speed of the automobile and truck will be :

Q: A football punter accelerates a football from rest to a speed of 9 m/s during the time in which his…

A: Given data: Initial speed of the football, u=0 Final speed of football, v=9 m/s Time interval,…

Q: The front 1.20 m of a 1,200-kg car is designed as a "crumple zone" that collapses to absorb the…

A: Part A. Using 3rd kinematic equation: V^2 = U^2 + 2*a*S a = (V^2 - U^2)/(2*S) Given that U = initial…

Q: (a) A block of mass 13.6 kg is sliding at an initial velocity of 4.65 m/s along horizontal surface…

A:

Q: n the figure to the right, the hanging mass m) is 2.50kg. What would be the required mass on the…

A: here will use the equation of motion     for block m     mg - T =  ma      for block M         T =…

Q: A brave but inadequate rugby player is being pushed backward by an opposing player who is exerting a…

A: Given, Force, F= 800 N, Mass of losing player, Ml=90 kg, acceleration, al=-1.20 m/s, and mass of…

Q: While in space far from any gravitational body, a 120-kg astronaut pushes off a 2400 kg space…

A:

Q: A 1150 kg automobile is at rest at a traffic signal. At the instant the light turns green, the…

A: Mass of the automobile m=1150 kg Initial velocity of the automobile u=0 m/s Acceleration of the…

Q: A car of mass 972 kg is traveling 24.4 m/s when the driver applies the brakes, which lock the…

A: Given Data mass of the car = 972 kg initial velocity,vi = 24.4 m/s final velocity,vf = 0m/s time,t =…

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: