Question: A 1.5 kg mass is traveling to the left at 6.0 m/s. It then experiences an impulse represented in the F vs T graph. Find the following

1) What is the total impulse given to the ball?

2) What is the change in momentum of the ball?

3) What is the final velocity of the ball?

the small 0.38-kg slider is known to move from position a to position b along the vertical-plane slot. determine (a) the work done on the body by its weight and (b) the work done on the body by the spring. the distance r = 0.70 m, the spring modulus k = 154 n/m, and the unstretched length of the spring is 0.53 m

explanation:

-reverse card

if the person is shown to have +90n, then ans is -10n.

if the person is shown to have -90n, then ans is +10n.

it's when something is going so fast it makes a loud noise, breaking the sound barrier, for example: a jet makes a loud noise, not only cause of the jet but because they reached a point where they went so fast that you can year the noise from various parts, kinda like a police car, lets say the car was going   so fast that you hear the siren of the cop car right next to you, but the car is probably a mile a way, it's cos the siren was next to you a few seconds if you understand me