3 years ago

Is kicking a ball a conservation of momentum ?

1 answer:

7 0

Answer:

Yes, When the momentum and kinetic energy are conserved, as they are approximately conserved when kicking a ball, there is no loss in momentum and energy before or after the collision.

Hope this helps!

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1.20 Newton force is working on a 250 gram object. What is the acceleration?

Leokris [45]

Answer:

The answer is B

Explanation:

250g = 0.25kg

F = m × a

a = F/m

= 1.2/0.25

= 4.8m/s²

7 0

3 years ago

if you double the magnitude of a vector, does it follow that the magnitude of the components double? Give example.

jarptica [38.1K]

Answer:

The magnitude of the vector clearly doubles if each of its components is doubled.

Explanation:

8 0

3 years ago

sage has a walking speed of 300 feet per minute on the way to gate 14c at the airport sage has the option of using a moving side

nalin [4]

Answer:

2 min 40 s.

Explanation:

Distance = 800 ft

Speed (walking speed) = 300 ft/min

Speed = distance/time

Time, t = 800/300

= 8/3

= 2 min 40 s.

4 0

3 years ago

What is (9.8) / (6.75x10-6)

ratelena [41]

sorry, it's B, not a made a mistake in the approximation

3 0

3 years ago

Explain what causes a satellite to stay in orbit and what happens to gravity at large heights

arlik [135]

Answer:

They are orbiting earth.So they stay in orbit.

We know that gravity increases with height.

Explanation:

1st Question Explanation:

Earth's gravity still pull on them.
Gravity combines with the satellite's momentum from its launch into space.This Combination cause the satellite go into the orbit.

2nd Question Explanation:

Gravity is caused by the Earth's spinning
Gravity is notable bless on high mountains or tall buildings.

8 0

3 years ago