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vampirchik [111]
3 years ago
15

A boy is exerting a force of 70 N at a 50-degree angle on a lawn mower. He is accelerating at 1.8 m/s2. Round the answers to the

nearest whole number.
What is the mass of the lawn mower?
kg
What is the normal force exerted on the lawn mower?
N
Physics
1 answer:
charle [14.2K]3 years ago
8 0

Answer:

are you in middle school

Explanation:

need more evendice

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The switch on the electromagnet, initially open, is closed. What is the direction of the induced current in the wire loop (as se
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The induced current is clockwise

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A person uses 750 kcal on a long walk calculate the energy used for the walk in kilojoules
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Why don’t trade winds blow straight toward the equator<br> Apex
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What is El Niño and La Niña? Where does this phenomena originate (land or water)?
Tamiku [17]

Answer/Explanation:

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5 0
3 years ago
A concave mirror with a focal length of 32 cm produces an image whose distance from the mirror is one-third the object distance.
iVinArrow [24]

Answer:

part A ⇒ u = 1.28 m

part B ⇒v = 0.43 m

Explanation:

for u is the distance to the object from the mirror and v is the distance from the mirror to the image.

Part A:

the mirror equation is given by:

1/f = 1/v + 1/u

but we told that, v = 1/3u:

1/f = 3/v + 1/u = 4/u

1/f = 4/u

  f = u/4

 u = 4f

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    = 1.28 m

Therefore the distance from the mirror to the object is 1.28 m.  

part B:

v = 1/3×u = 1/3×(1.28) = 0.43 m

5 0
3 years ago
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