3 years ago

A car of mass 500 kg is moving at a speed of 1.2 m/s. A man pushes the car,

Physics

1 answer:

rusak2 [61]3 years ago

6 0

The answer is D I’m not really sure yet

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A 20 kg bike accelerates at 10 m/s2. What was the force?

agasfer [191]

Answer:

200 N = 200 Newtons

Explanation:

Just use the formula F = m*a

F = Force in Newtons

m = mass and is 20 kg

a = acceleration and is 10 m/s^2

F = 20 * 10

F = 200 Newtons.

7 0

3 years ago

Cal ulate a moment of force o. 50 meter distance and 10 newton force

lina2011 [118]

Answer:

500N/M

Explanation:

given that

force=10N

distance=50M

moment=force*distance

=10×50=500j

8 0

2 years ago

Lana71 [14]

Answer:

A. Condensation B. Freezing. C. condensation (not sure) D. Sublimation E. Evaporation. F Evaporation (not sure)

Hope it heps:)

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3 years ago

You and your bicycle have combined mass 80.0 kg. When you reach the base of a bridge, you are travelling along the road at 7.50

Sonja [21]

We have that K.E and work done is

$K.E=-1890J$
$W=2186J$

From the Question we are told that

mass= 80.0 kg

Velocity= 7.50 m/s.

vertical distance of 5.20 m

Slowed to 3.00 m/s.

Generally the equation for Kinetic energy is mathematically given as

$K.E=\frac{mv^2}{2}-\frac{mv^2}{2}\\\\K.E=\frac{80*3^2}{2}-\frac{80*7.5^2}{2}$

$K.E=-1890J$

$P.E=mgh\\\\P.E=80*9.8*5.2\\\\P.E=4076$

Therefore

$W=4076-1890J$

$W=2186J$

For more information on this visit

brainly.com/question/12669551?referrer=searchResults

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3 years ago

Why does conduction occur in solids and liquids easier compared to gases?

Vladimir [108]

B.) because the particles in gases are farther apart and move faster

7 0

3 years ago