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vodomira [7]
3 years ago
13

If I push on the wall with 75 Newtons of force, the wall will push back with __

Physics
1 answer:
Scilla [17]3 years ago
7 0

Answer: 0

Explanation:

75 newtons will push back canceling it out make it 0

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A toddler pushes his 7.0 kg toy box at a relatively constant velocity across the tiled floor of the family room applying a horiz
xxMikexx [17]

Answer:The coefficient of friction between the box and the floor,  = 1.456 × 10⁻²

Explanation:

8 0
2 years ago
10 points
MariettaO [177]

Answer:

true

Explanation:

yes because I said so

8 0
2 years ago
How much work is done against gravity when lowering a 16 kg box 0.50 m? (g = 9.8 m/s2)
leonid [27]

Answer:

The work done against gravity is 78.4 J

Explanation:

The work is calculated by multiplying the force by the distance that the

object moves

W = F × d, where W is the work , F is the force and d is the distance

The SI unit of work is the joule (J)

We need to find the work done against gravity when lowering a

16 kg box 0.50 m

→ F = mg

→ m = 16 kg, and g = 9.8 m/s²

Substitute these value in the rule

→ F = 16 × 9.8 = 156.8 N

→ W = F × d

→ F = 156.8 N and d = 0.50

Substitute these values in the rule

→ W = 78.4 J

<em>The work done against gravity is 78.4 J</em>

6 0
3 years ago
An apple falls from a tree and 2.5 seconds later hits the ground. How fast is the apple falling when it hits the ground? Neglect
denis-greek [22]

Answer:

<h2>9.8 m/s²</h2>

Explanation:

<h2>Since the ball rises for 2.5 s, the time to fall is 2.5 s. The acceleration is 9.8 m/s2 everywhere, even when the velocity is zero at the top of the path. Although the velocity is zero at the top, it is changing at the rate of 9.8 m/s² downward.</h2>
6 0
2 years ago
During a chemical reaction, some substances are completely consumed while others my not be. What is the substance that is comple
LUCKY_DIMON [66]

Answer:

It is Limiting Reactant

Explanation:

5 0
2 years ago
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