3 years ago

What specific space object is shown in the picture below?

Physics

1 answer:

PIT_PIT [208]3 years ago

3 0

From context clues, I believe the correct answer is B) Red Dwarf!

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What do we call seismic waves that are transmitted along the outside of earth?

crimeas [40]

Surface waves fits that description.

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3 years ago

A hot-air balloon with a mass of 400 kilograms moves across the sky with 3,200 joules of kinetic energy. The velocity of the bal

kotegsom [21]

Answer:

4 m/s

Explanation:

KE =

Velocity of balloon will be 4 m/s.

!! Hope It Helps !!

4 0

3 years ago

A 700 kg racecar slowed from 30 m/s to 15 m/s. What was the change in momentum?

xxMikexx [17]

Momentum equation is

change in momentum = mass•initial velocity•final velocity

so....

p=700(15) because your initial is 30, and your final in 15, so you subtract! hope that helped!

8 0

3 years ago

A 710 kg car drives at a constant speed of 23 m/s. It is subject to a drag force of 500 N. What power is required from the car's

inn [45]

Explanation:

Given that,

Mass of the car, m = 710 kg

Speed of the car, v = 23 m/s

Drag force, F = 500 N

(a) Let P is the power is required from the car's engine to drive the car on the level ground. Power is given by :

$P=F\times v\\\\P=500\ N\times 23\ m/s\\\\P=11500\ W$

(b) Let P is the power is required from the car's engine to drive the car on up a hill with a slope of 2 degrees.

At this slope, force will be, $F=mg\ \sin\theta$

Total force will be :

$F=710\times 9.8\times \sin(2)+500\\F=742.83\ N$

Power is given by :

$P=F\times v\\\\P=742.83\times 23\\\\P=17085.09\ W$

P = 17 kW

5 0

4 years ago

What kind of lenses are in a light microscope

dedylja [7]

There is the ocular lens and the convex lens.

4 0

4 years ago