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umka2103 [35]
2 years ago
13

You slide a hockey puck across the ice in a hockey rink

Physics
2 answers:
REY [17]2 years ago
8 0

Answer-

mk thats kool.

Doss [256]2 years ago
4 0

Answer:

Force Friction

Explanation:

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PLEASEEE HELPPPPPPP:
tatuchka [14]
V(voltage) = I(current)R(resistance)
substitute in the values

V = 15 * 0.10
V = 1.5 volts
7 0
3 years ago
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What happens if you move a magnet near a could of wire
noname [10]

Answer:

The wire would stick to the magnet????????????????????????

Explanation:

3 0
3 years ago
If a 0.15 kg ball falls and has a KE of 20 J just before striking the ground, from what height did it fall. A. 1.36m B. 3m C. 13
RUDIKE [14]
According to the conservation of mechanical energy, the kinetic energy just before the ball strikes the ground is equal to the potential energy just before it fell. 

Therefore, we can say KE = PE
We know that PE = m·g·h

Which means KE = m·g·h

We can solve for h:

h = KE / m·g
   = 20 / (0.15 · 9.8) 
   = 13.6m

The correct answer is: the ball has fallen from a height of 13.6m.

5 0
3 years ago
A ball is thrown vertically upwards from a point on the ground. It was observed at a height h twice with a time interval Δt. The
Mice21 [21]
I don’t think we can answer this question with the information given. ANY ball thrown with ANY initial velocity v will be observed at a height h twice and with a time interval Δt.
3 0
3 years ago
Jamal is at Six Flags playing at the arcade. At one booth he throws a 0.50 kg ball
Mekhanik [1.2K]

were solving for v velocity of the ball after it has hit the bottle. a. momentum ->p=mv->ball + bottle momentum during hit = ball + bottle momentum after hit-> ball (.5*21)+ bottle (.2*0) (it's 0 because the the bottle is standing still) = ball after hit (.5*v)+bottle after hit (.2*30) -> 10.5+0=.5v+6 ->4.5=.5v->v=9m/s

b. if bottle was heavier the ball would be slower so final velocity would decrease

8 0
2 years ago
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