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Hatshy [7]
3 years ago
10

D) cube

Physics
2 answers:
kondor19780726 [428]3 years ago
8 0

Answer:

c because it makes since

Explanation:

I took the test

Zielflug [23.3K]3 years ago
5 0
C)24cm
Explanation: I took the test!
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Is there change in the force of gravity between two objects when their masses are doubled and the distance between them is also
belka [17]

No. The forces of gravity between them would remain unchanged after those three changes.

3 0
3 years ago
A woman throws a baseball straight up into the air. what is the baseball's acceleration at its highest point?
AleksandrR [38]
After the ball leaves the woman's hand, the only relevant force acting on the ball is the gravity, which produces an acceleration of a=g=9.81 m/s^2 on the baseball, directed downward. 
Gravity acts on the ball for the whole duration of the motion, so the acceleration of the ball is g=9.81 m/s^2 at every point of the motion, and therefore also when the baseball is at its highest point.
5 0
3 years ago
A 0.50-kg croquet ball is initially at rest on the grass. When the ball is struck by a mallet, the average force exerted on it i
NeTakaya

The impulse given to the ball is equal to the change in its momentum:

J = ∆p = (0.50 kg) (5.6 m/s - 0) = 2.8 kg•m/s

This is also equal to the product of the average force and the time interval ∆t :

J = F(ave) ∆t

so that if F(ave) = 200 N, then

∆t = J / F(ave) = (2.8 kg•m/s) / (200 N) = 0.014 s

7 0
2 years ago
(Figure 1) shows the angular-velocity-versus-time graph for a particle moving in a circle. How many revolutions does the object
Travka [436]

Answer: 10.34

Explanation:

Given

\omega -t graph for a particle is given

angle turned by the particle in radians is given by the area under \omega -t graph

The area is given by

A=20\times (2-0)+10(4-2)+\dfrac{1}{2}\times (20-10)\times (3-2)\\A=40+20+5=65\ rad

Revolutions(N) made by the object is given by

N=\dfrac{65}{2\pi }=10.34

4 0
2 years ago
A volleyball player's hand applies a 39 N force while in contact with a volleyball for 2 seconds. What is the impulse on the bal
antiseptic1488 [7]

Answer:78 N

Explanation:Impulse=Force*time

=39*2 =78 Ns

8 0
3 years ago
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