PLEASE HELP :D! DUE SOON!! A ball weighing .05 kg strikes a 1000 kg
stationary wall at 30 m/s. According to Newton's Third Law, which of these must be true?

A: The wall moves away from the ball at 30 m/s

B: The total Momentum of the system before impact was 1.5 kg • m/s

C: The total Momentum of the system before impact was 15 kg • m/s

D: The total Momentum of the system after impact is 30000 kg • m/s

​

Debbie places two shopping carts in a cart corral she pushes the first cart which then pushes a second cart what force is being exerted

Visualize the problem and identify special cases first examine the problem by drawing a picture and visualizing the motion. apply newton's 2nd law, ∑f⃗ =ma⃗ , to each body in your mind. don't worry about which quantities are given. think about the forces on each body: how are these consistent with the direction of the acceleration for that body? can you think of any special cases that you can solve quickly now and use to test your understanding later? one special case in this problem is if m2=0, in which case block 1 would simply fall freely under the acceleration of gravity: a⃗ 1=−gj^.

The temperature in gavin's oven is a sinusoidal function of time. gavin sets his oven so that it has a maximum temperature of 280°f and a minimum temperature of 240°. once the temperature hits 280°, it takes 20 minutes before it is 280° again. gavin's cake needs to be in the oven for 30 minutes at temperatures at or above 270°. he puts the cake into the oven when it is at 260° and rising. how long will gavin need to leave the cake in the oven? (round your answer to the nearest minute.)