An arrow is accelerated out of a bow. What is the average force exerted on a 0.15 kg arrow if it is accelerated to a speed of 110 m/s in a time of 5 ms?

Q: - A stationary 1.83-kg potato is struck by a stick, delivering a horizontal force of F(t) = at — bt²…

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Q: Problem 3: An arrow is accelerated out of a bow. What is the average force exerted on a 0.15 kg…

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Q: A bullet is accelerated down the barrel of a gun by hot gases produced in the combustion of…

A: The objective of this question is to find the average force exerted on a bullet to accelerate it to…

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Q: Assume that the force of a bow on an arrow behaves like the spring force. In aiming the arrow, an…

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A: When the cart is at rest only two forces are present:1) Weight of the cart acting vertically down2)…

Q: In a crash test, a car with a mass of 1200 kg hits the wall as shown. the car's initial and final…

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Q: As part of a safety investigation, two 1400 kg cars traveling at 20 m/s are crashed into different…

A: Given mass of car m=1400 kgspeed of car u=20 msCars are crashed into different barriers .

Q: A boy slides down a hill on a sled (total mass of 40 kg) and coasts onto a flat plain with a speed…

A: GivenTotal mass (m) = 40 KgInitial velocity (U) = 5.8 m/sFinal velocity (V) = 0Force of friction (F)…

Q: You wake up one morning to find yourself in a strange room with opaque walls, and no visible doors…

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Q: When jumping straight down, you can be seriously injured if you land stiff-legged. One way to avoid…

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Q: Papa Smurf (whose mass is 1kg) is sliding at 1.0 m/s over an icy pond that has no friction.  A force…

A: From Newton’s 2nd law, the expression of the force is given as, Here, m and a represent the mass…

Q: Carrie is pushing a 39.8 kg shopping cart at a speed of 0.744 m/s. If she applies a force of 6.59 N,…

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Q: A 0.576-kg ball, initially moving with a speed of 2.93 m/s, bounces off a wall and then moves with a…

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Q: When jumping straight down, you can be seriously injured if you land stiff-legged. One way to avoid…

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Q: A 40 gram bullet is shot from a gun and accelerates from rest to a velocity of 550 m/s in 2…

A: To find the average force Given, mass of bullet = 40 g = 0.04 kg Initial velocity Vi = 0 m/s Final…

Q: A dog weighing 36 kg, is standing on a flatboat so that he is 23 m from shore. He walks 16 m on the…

A: It is given that,

Q: A 829 g rubber ball was vertically pushed downward at 1.03 m/s from a height of 80.3 cm above a…

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Q: A 748 g rubber ball was vertically pushed downward at 1.21 m/s from a height of 78.2 cm above a…

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Q: Maxim machine gun fires 445 bullets per minute. Each bullet has a mass of 13g and a velocity of…

A: Write the given values of the problem- Mass of the bullet=13 g velocity=674 m/s Maxim machine gun…

Q: A 51.9-kg skater is standing at rest in front of a wall. By pushing against the wall she propels…

A: The average force exerted on the wall can be given by Favg=mv-ut

Q: Dizzy is speeding along at 35m / s as she approaches the level section of track near the loading…

A: Dizzy is speeding along at u=35 m/s. A braking system abruptly brings the M=335-kg car (rider mass…

Q: A rubber ball hits the floor with a speed of 17.5 m/s and bounces vertically back with a speed of…

A: Refer explanationExplanation:Put value in above equation F=3.924/0.12= 32.7N Final answer is 32.7N

Q: A 30-gram bullet initially travelling at 500 m/s penetrates 12 cm into a wooden block. What average…

A: Given-           mass (m) = 30g           velocity(v) = 500 m/s            penetration (D) = 12 cm

Q: A soccer ball with mass 0.460 kgkg is initially moving with speed 2.10 m/sm/s. A soccer player kicks…

A: Given data:  Mass (m) = 0.460 kg Initial velocity (u) = 2.10 m/s Force (F) = 38.0 N Final velocity…

Q: You wake up one morning to find yourself in a strange room with opaque walls, and no visible doors…

A: Given Mass of the person is m=63.1 kg Height from where the object is dropped is h=2.05 m Time taken…

Q: A student pushes a physics textbook of mass 1.11 kg across a table with a horizontal force of 5.81…

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Q: You wake up one morning to find yourself in a strange room with opaque walls, and no visible doors…

A: 1850 NExplanation:

Q: A machine gun, of mass 35.0 kg, fires 50.0-gram bullets, with a muzzle velocity of 750 m/s, at the…

A: Given: The mass of the bullet is 50.0 g. The number of bullets per minute is 300. The muzzle…

Q: During a collision with a wall, the velocity of a 0.200 kg ball changes from 12 m/s toward the wall…

A: Mass of ball = m = 0.200 kg Speed of the ball before striking the wall = u = 12 m/s Speed of the…

Q: Dizzy is speeding along at 30.4 m/s as she approaches the level section of track near the loading…

A: Given:- The initial velocity is u = 30.4 m/s  The final velocity is v = 3.95 m/s  The mass of the…

Q: *11. GO A student (m = 63 kg) falls freely from rest and strikes the ground. During the collision…

A: It is given that,

Q: A student (m = 63 kg) falls freely from rest and strikes the ground. During the collision with the…

A: The impulse is given by,

Q: A tennis ball with a mass of 50 grams was hit with a racket. The ball experiences a force of 700 N…

A: given,mass=50g=0.05kgF…

Q: Batman observes a robber driving away from a jewelry store with a bag full of loot. He takes off in…

A: Newton's second law states that the Force applied is directly proportional to the mass of the body…

Q: A 45 g golf ball leaves the tee with a speed of 43 m/s after a golf club strikes it.  Determine the…

A: Given that, The mass of the ball is m=45 g The ball leaves the tee with a speed of 43 m/s

Q: I am driving down the street at 23.4 mi/h and suddenly I see a squirrel. I slam on the brakes in…

A: Given that: Speed of car, u = 23.4 mi/h = 23.4 X 1.60 = 37.44 km/h= 10.4 m/s Time of decleration, t…

Q: A 2.4 kg ball strikes a wall with a velocity of7.1 m/s to the left. The ball bounces off witha…

A: Given : velocity of ball before striking, u = - 7.1 m/s ( assuming left side as negative x axis)…