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sleet_krkn [62]
3 years ago
7

A car (m=1200kg) accelerates at 3m/s/s for d=10m. How much work has the engine done? *

Physics
1 answer:
Finger [1]3 years ago
5 0

This is the answer hope it helps

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A ball hits a wall. What is true about the magnitude of the force experienced by the ball compared with the force experienced by
Ivahew [28]
<span>This is best understood with Newtons Third Law of Motion: for every action there is an equal and opposite reaction. That should allow you to see the answer.</span>
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3 years ago
Wesley pushed a tennis ball down a long driveway in 2.5s. The ball traveled at a constant acceleration of 1.8 m/s2 down the slop
galina1969 [7]

Answer:

14.5m/s

Explanation:you had to divide 2.5s divide that by 1.8

6 0
3 years ago
PLEASE HELP ME QUICK
babunello [35]

Answer:

i think its 1.5 m/s to the right?

Explanation:

5 0
3 years ago
G the density of an object equals its mass divided by its volume. the mass of earth is 6 × 1024 kg and its radius is 4 × 103 mil
lorasvet [3.4K]
Assuming the earth and the sun to be perfect spheres,

Volume of the sphere = 4/3 * pi * (r**3)

Volume of the earth = 4/3 * pi * ((4000*1.609 km)**3) = 1.116 E 12 km3

Volume of the Sun= 4/3 * pi * ((7 E 5 km)**3) = 1.436 E 18 km3

Density = mass /volume

Density of earth = 6 E 24 kg / 1.116 E 12 km3 = 5.376 E 12 [kg/km3]

Density of Sun= 2 E 30  kg / 1.436 E 18 km3 = 1.392 E 12 [kg/km3]


Density of earth / Density of Sun =

5.376 E 12 [kg/km3] / 1.392 E 12 [kg/km3] = 3.86
8 0
4 years ago
Read 2 more answers
Forces that are equal in strength and opposite indirection are
Otrada [13]
Hey there! My name is Christy and I'm gladly to help you out!


The three main forces that stop moving objects are friction, gravity and wind resistance. Equal forces acting inopposite directions are called balanced forces. Balanced forcesacting on an object will not change the object's motion. When you add equal forces in opposite direction, the netforce is zero.

Hope this helped!


4 0
4 years ago
Read 2 more answers
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