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mixas84 [53]
4 years ago
5

Which two statements are true about energy transformations?

Physics
1 answer:
Gnoma [55]4 years ago
8 0
Energy is never created nor destroyed 

So your answer is Energy is never created 
and Energy is never destroyed 

Hope this helps :)
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Why is it possible to throw a 0.145 kg baseball much further than a 7 kg bowling ball?
bulgar [2K]
It is possible to throw a 0.145 kg baseball much further than a 7 kg bowling ball, because the 0.145 kg baseball is of a smaller mass than the 7 kg bowling ball and it also offers less resistance to motion and hence it would go further than the 7 kg bowling ball.
7 0
4 years ago
Please help me pwease
Alisiya [41]

Answer:

Iron

Explanation:  It is by mass the most common element on Earth, right in front of oxygen, forming much of Earth's outer and inner core.

6 0
3 years ago
What happens when a ray of light is directed at a mirror, a glass block and a prism?
zimovet [89]
When it is directed at a mirror it is reflected
When it is directed at a glass block it refracts
When it is directed through a prism the light splits to form a spectrum ( red orange yellow green blue indigo and violet )

Hope this is ok
5 0
4 years ago
You are driving your 1700 kg car at 21 m/s down a hill with a 5.0∘ slope when a deer suddenly jumps out onto the roadway. You sl
podryga [215]

Answer:

d = 27.7 m

Explanation:

Here the car is driving on the inclined plane

So here we can say that work done by the gravity and work done by friction is equal to change in kinetic energy of the system

So here we can write it as

mgsin\theta \times d - F_f \times d = \frac{1}{2}mv_f^2 - \frac{1}{2}mv_i^2

now we have

m = 1700 kg

v_f = 0

v_i = 21 m/s

F_f = 1.5 \times 10^4 N

(1700)(9.81)sin5 (d) - (1.5\times 10^4)d = 0 - \frac{1}{2}(1700)(21^2)

1453.5 d - (1.5\times 10^4)d = -374850

d = 27.7 m

6 0
3 years ago
Please help me.
vesna_86 [32]

A) the tension in the string.

4 0
4 years ago
Read 2 more answers
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