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mel-nik [20]
3 years ago
15

What is the net force on the object in the picture? * F = 30N F = 30N

Physics
1 answer:
My name is Ann [436]3 years ago
7 0

Answer:0 N

Explanation:

Because they cancel each other out

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A toy rocket launcher can project a toy rocket at a speed as high as 35.0 m/s.
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Answer:

(a) 62.5 m

(b) 7.14 s

Explanation:

initial speed, u = 35 m/s

g = 9.8 m/s^2

(a) Let the rocket raises upto height h and at maximum height the speed is zero.

Use third equation of motion

v^{2}=u^{2}+2as

0^{2}=35^{2}- 2 \times 9.8 \times h

h = 62.5 m

Thus, the rocket goes upto a height of 62.5 m.

(b) Let the rocket takes time t to reach to maximum height.

By use of first equation of motion

v = u + at

0 = 35 - 9.8 t

t = 3.57 s

The total time spent by the rocket in air = 2 t = 2 x 3.57 = 7.14 second.

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What are the choices?
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You are given an unknown liquid and asked to determine its identity. You can measure only one physical property. You decide to h
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A spring is pulled to 10cm and held in place with a force of 500N. What is the spring constant of the spring
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5000

Explanation:

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4 0
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