Question

Which type of energy is represented here?

(1 point)
thermal
chemical potential
mechanical
electromagnetic

Answer 1

that was # 6

Answer 2

7.When a tennis ball smashes into a tennis racket, the ball temporarily changes shape as it compresses against the racket. Which type of energy is temporarily stored with the ball as it is compressed?

(1 point)
elastic potential
kinetic
electrical
potential

Answer 3

7th, elastic potential

Answer 4

in this state, when matchstick is not burning,, matchstick have chemical energy.

Answer 5

8. Some kayakers coat the bottom of their kayaks with wax to make them more slippery.

Kayakers wax their boats to (1 point)
reduce the work output.
reduce the weight of the kayak.
reduce their input force.
reduce the speed the boat travels in water.
9. You apply 100.0 N of force to a machine. The machine applies 20.0 N of force to the load. What is the mechanical advantage of the machine? (1 point)
200.0
80.0
5.00
0.200
10. A construction worker is using his weight to keep a stationary stack of wooden beams from falling. If the construction worker uses 689.0 N of force to hold 10 beams stationary against a wall, how much work does he do? (1 point)
0 J
0.0150 J
68.9 J
6,890 J
11. Metal cookware often comes with plastic handles. The plastic handles (1 point)
decrease friction.
decrease mechanical advantage.
are insulators.
are conductors.

Answer 6

@IhteshamMalik

Answer 7

:o

Answer 8

No its okay..

Answer 9

Thx : )

Answer 10

8th. to reduce the input force...

Answer 11

:) thank You

Answer 12

would you like me 2 post more or just leave it and when you are done? :) :)