WHO WANTS BRAINLY?? ANSWER THESE 3 PHYSICS QUESTION!!!

1. What velocity must a car with a mass of 1210 kg have in order to have the same momentum as a pickup truck which has a momentum of 5.6 x 10^4 kg m/s to the east?

2. A 0.50 kg football is thrown with a velocity of 15 m/s to the right. A stationary receiver catches the ball and brings it to rest in 0.020s. What is the force exerted on the receiver?

3. A 0.40 kg soccer ball approaches a player horizontally with a velocity of 18 m/s to the north. The player strikes the ball and cases it to move in the opposite direction with a velocity of 22 m/s. What impulse was delivered to the ball by the player?

1. What velocity must a car with a mass of 1210 kg have in order to have the same momentum as a pickup truck which has a momentum of 5.6 x 10^4 kg m/s to the east?

2. A 0.50 kg football is thrown with a velocity of 15 m/s to the right. A stationary receiver catches the ball and brings it to rest in 0.020s. What is the force exerted on the receiver?

3. A 0.40 kg soccer ball approaches a player horizontally with a velocity of 18 m/s to the north. The player strikes the ball and cases it to move in the opposite direction with a velocity of 22 m/s. What impulse was delivered to the ball by the player?

Answer

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1. The car should move with

velocityof46.28 m/s2. The

forceexerted on thereceiveris375 N3. The

playerdelivered animpulseof!.6 N sto theball## What is Impulse?

In

Physics,Impulseis theproductofmassandchange in velocity.from Newtons law change in momentum is equal to impulsem ( v - u ) = f * t = impulse = momentum

m = mass

v = final velocity

u = initial velocity

f = force

t = time

1.

Given:mass = 1210 kg

momentum = 5.6 x 10^4 kg m/s

change in velocity = v - u = ?

u = 0sochange in velocity = vmomentum = mass * velocityvelocity = momentum / mass

velocity = 5.6 x 10^4 / 1210

velocity = 46.28 m/s2.

Given:m = 0.50 kg

u = 15 m/s

v = 0

t = 0.020 s

m ( v - u ) = f * t

f = 0.50 * ( 0 - 15 ) / 0.02

f = -375 N (the

negativesign indicates thedirectionof the stoppageforceasagainsttheforcethat produces themotion)force = 375 N3.

Given:m = 0.40 kg

u = 18 m/s to the North

v = 22 m/s

m ( v - u ) = impulse

impulse = 0.4 (22 - 18 )

impulse = 1.6 N sRead more on

Impulsehere:https://brainacademy.pro/question/20586658