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IgorC [24]
3 years ago
9

Question 11 of 13 (1 point) Jump to Question:

Physics
1 answer:
Tanya [424]3 years ago
5 0

Answer:

All trenches must have access/egress - A.

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A sled is pulled at a constant velocity across a horizontal snow surface. If a force of 100 N is being applied to the sled rope
tangare [24]

Answer:

60.18 N

Explanation:

Given that:

The force applied on the sled = 100 N

Suppose, the angle between the sled rope and the ground = 53°

The horizontal force which acts  in the horizontal direction can be expressed as:

F_x = F \ cos \theta

F_x = 100 \ cos (53)

F_x = 60.18 \ N

But if the angle between the sled rope is parallel to the ground. Then, we use an angle on a straight line which is = 180°

F_x = F \ cos \theta

F_x = 100 \ cos (180)

= 100 × -1

= -100 N

3 0
2 years ago
How many water (in kg) can raise its temperature from 23°C to 100°C by adding 21500 Joules of energy?
igomit [66]

Answer: Approximately 8.0g of water

Explanation:

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3 years ago
A ball is thrown straight up in the air and just before it lands it is travelling -47.5 m/s. How long was the ball in the air?
Setler [38]
Use v = u + at
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6 0
3 years ago
Helpp me outtttttttt​
grandymaker [24]

Answer:

hope this helps you

Explanation:

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4 0
3 years ago
Helppp pleaseeeeeeee. NO LINKS. HELP HELP HELP
Lera25 [3.4K]

Answer:

Choice A

Explanation:

The lower the point the higher the kinetic energy because Mechanical energy is conserved and the Gravitational Potential Energy gets lower when the height is lower

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