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leva [86]
4 years ago
9

Force exerted by a person or object is called

Physics
1 answer:
vaieri [72.5K]4 years ago
6 0

Force exerted by a person or thing is called _____ force. applied. A change in the speed or direction of an object is called. acceleration. Force is a vector.

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In an emergency an airplane needs to land on a short runway at Albany County Airport. The plane comes in for a landing with a sp
zvonat [6]

Answer:

t = 13.43 s

Explanation:

In order to find the minimum time required by the plane to stop, we will use the first equation of motion. The first equation of motion is written as follows:

Vf = Vi + at

where,

Vf = Final Velocity of the Plane = 0 m/s (Since, the plane finally stops)

Vi = Initial Velocity of the Plane = 95 m/s

a = deceleration of the plane = - 7.07 m/s²

t = minimum time interval needed to stop the plane = ?

Therefore,

0 m/s = 95 m/s + (- 7.07 m/s²)t

t = (95 m/s)/(7.07 m/s²)

<u>t = 13.43 s</u>

6 0
3 years ago
A planet with half Earth’s mass and half Earth’s radius is discovered. What would an astronaut who weighs 800 N on Earth weigh o
Citrus2011 [14]
1600 N
Hope this helped !
5 0
3 years ago
An object example to decrease pressure.
Olin [163]

Answer:

To reduce pressure - decrease the force or increase the area the force acts on. If you were standing on a frozen lake and the ice started to crack you could lie down to increase the area in contact with the ice. The same force (your weight) would apply, spread over a larger area, so the pressure would reduce.

3 0
4 years ago
Read 2 more answers
A person opens a door by applying a 10-N force perpendicular to it at a distance 0.90m from the hinges.
quester [9]
You faded out there before asking your question. 
Here's some info that might be of interest:

Torque = (force) x (distance from the pivot) = (10 n) x (0.9 m) = 9 newton-meters
6 0
4 years ago
A critical period begins and ends abruptly
STatiana [176]

Answer:

yes

Explanation:

<em>A critical period? </em>

<em>A.begins and ends abruptly </em>

<em>B.begins and ends gradually </em>

<em>C.is unaffected by stimuli </em>

<em>D.is unlikely to impact development</em>

<em>correct answer (A.begins and ends abruptly )</em>

8 0
3 years ago
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