Question 1 gg Drop Experiment. An experiment is done to determine the average force of impact needed to reak a commercial egg having mass of 50 g. An initially at rest egg is dropped from a height of 0.200 As it hits the ground, the egg breaks and the high speed camera used to capture the scene registers at the time of contact is between the floor and the egg is 0.015 s. What is the average force of pact for this case? 7 N, upward 7 N, downward 100 N, upward 100 N, downward 0

A pitcher throws a softball toward home plate. When the ball hits the catcher’s mitt, its horizontal velocity is 32 meters/second. The softball’s velocity goes to 0 meters/second in 0.8 seconds when caught. If the softball has a mass of 0.2 kilograms, what’s the force of the impact? Use F = ma, where .   The force of the impact is newtons.

Consider the roller coaster ride shown below. Herer1=17.4m and r2=29m. Imagine that the car is traveling traveling with a constant speed of v=8.9 m/s throughout the whole ride. If the mass of a child riding the car is 20.1kg, determine the apparent weight of a child at point B. Express your answer using Sl unit with zero decimal place. Take g=9.80 m/s?. T2

Q18. A 4-kg rifle fires a 20-g bullet with a velocity of 300 m/s. Find the recoil velocity of the rifle. (-1.5 m/s)

A 72.5-kg person is riding in a car moving at 18.5 m/s (assume this is the positive direction) when the car runs into a bridge abutment. This problem will illustrate why the invention of the airbag dramatically improved the safety of automobiles. a. Calculate the horizontal component of the average force, in newtons, on the person if he is stopped by a padded dashboard that compresses an average of 0.85 cm. b. Calculate the horizontal component of the average force, in newtons, on the person if he is stopped by an air bag that compresses an average of 16 cm?

A 50 N net force acts right on a 20 kg object. Given the initial velocity of the object is 10 m/s left, find the velocity after the net force has acted for a time of 8 seconds

A 0.55 kg football is thrown with a velocity of 17 m/s to the right. A stationary receiver catches the ball and brings it to rest in 0.021 s. What is the force exerted on the receiver?Answer in units of N.

A constant net force of 300N is applied to accelerate a cart in a frictionless surface from rest to a velocity of 30 m/s in 5s. What is the mass of the cart? 2. A 0.15 - kg baseball approaches a baseball bat at 30 m/s. If it is in contact with the baseball bat for 0.003 s, what is the average contact force between the ball and the racket? Ignore the air resistance.

During a car collision, the knee, thighbone, and hip can sustain a force no greater than 4000 NN. Forces that exceed this amount could cause dislocations or fractures. Assume that in a collision a knee stops when it hits the car's dashboard. Also assume that the mass of the body parts stopped by the knee is about 20% of the total body mass. The person with a mass of 90 kgkg is initially traveling at 18 m/sm/s (40 mi/hmi/h).  What minimum stopping time interval in needed to avoid injury to the knee?  What is the minimum stopping distance?

A 2.00 kg ball falls off a 200.00 cm high wall. If the time during the collision is 0.050 seconds, what is the force of impact caused by the ground on the ball? USE SIGNIFICANT FIGURES in the answer!