3 years ago

What is net force?

Physics

2 answers:

Nataliya [291]3 years ago

8 0

Answer:

Explanation:

The net force is the combination of all forces acting on an object.

drek231 [11]3 years ago

5 0

The answer is d my friend :)

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Explanation:

$\text{Velocity is defined as the average displacement per unit time.}$

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3 years ago

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4 years ago

A 25-kg child sits at the top of a 4-meter slide. After sliding down, the child is traveling at 5 m/s. How much PE does he start

Semmy [17]

Daniddmelo says it right there, don't know why he got reported.

The potential energy (PE) is mass x height x gravity. So it would be 25 kg x 4 m x 9.8 = 980 joules. The child starts out with 980 joules of potential energy. The kinetic energy (KE) is (1/2) x mass x velocity squared. KE = (1/2) x 25 kg x 5 m/s2 = 312.5 joules. So he ends with 312.5 joules of kinetic energy. The Energy lost to friction = PE - KE. 980- 312.5 = 667.5 joules of energy lost to friction.

Please don't just copy and paste, and thank you Dan cause you practically did it I just... elaborated more? I dunno.

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3 years ago

On a frictionless horizontal surface, a 1.50 kg mass traveling at 3.50 m/s collides with and sticks to a 3.00 kg mass that is in

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Answer:

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Explanation:

Hope it helps!.

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3 years ago