Physics, 08.11.2019 19:31 jazmaine1217
Anya lifts a ball high above her head and drops it. the ball bounces up and down. she observes that the ball loses height every time it bounces. how can this situation be explained? a. some of the ballβs energy changes to thermal energy when it hits the ground. b. the ball loses some of its energy to the force of gravity. c. thereβs no air resistance (drag) on the ball. d. the mass of the ball changes with each bounce.
Answers: 2
Physics, 21.06.2019 19:00
When the velocity of an object is doubled, by what factor is its momentum changed? by what factor is its kinetic energy changed? a) the momentum is zero. b) the momentum is not zero. c) difficult to say.
Answers: 3
Physics, 22.06.2019 08:30
You win the lottery and decide to impress your friends by exhibiting a million-dollar cube of gold. at the time, gold is selling for $ 426.60 per troy ounce, and 1.0000 troy ounce equals 31.1035 g. -how tall would your million-dollar cube be? en cm
Answers: 2
Physics, 22.06.2019 09:50
Gordon is going for a run through the park, but it is cold outside. the low outside temperature could affect his personal safety.
Answers: 1
Anya lifts a ball high above her head and drops it. the ball bounces up and down. she observes that...
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