Answers: 3
Physics, 22.06.2019 12:00
In a set amount of time, a battery supplies 25j of energy to an electric circuit that includes two different loads. one of the loads produces 10 j of heat energy during this time interval. how much heat energy is produced by the second load in this time? explain your answer
Answers: 3
Physics, 23.06.2019 21:30
Avery light ping-pong ball moving east at a speed of 4 m/s collides with a very heavy stationary bowling ball. the ping-pong ball bounces back to the west, and the bowling ball moves very slowly to the east. which object experiences the greater magnitude impulse during the collision?
Answers: 3
Physics, 23.06.2019 22:00
Select the correct answer. which of these actions is an example of chemical weathering? o a. freezing water widens the cracks in rocks. ob. plant roots force their way into cracks in rocks and break them. oc. oxygen in air reacts with iron content in rocks, causing them to change color. od. strong winds peel soft rock away, leaving harder rock behind. reset next
Answers: 1
Physics, 24.06.2019 01:30
A53.4 kg girl is at rest on 3.55 kg skateboard. she jumps forward at 1.32 m/s. what is the velocity of the skateboard afterword?
Answers: 1
Help please this is a big grade?...
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