I desperately need help on my last problem! Please help!

A moving car of mass 500 kg collides with a stationary truck of mass 1500 kg, and the two vehicles lock together on impact. The combined velocity of the car and truck after the collision is 20 m/s. The velocity of the car before the collision is _______ m/s.

What is the velocity of the car before the collision?

Answers

Answer 1

Answer:

The car was approximately moving at 80m/s

Answer 2

The velocity of the car before the collision is 80 m/s :)

Related Questions

In science class, students constructed an explanation on the composition of soil. Which student offered the BEST explanation? (AKS 2e)

!!!(The file has the image)!!!

Answer choices:

A.

Student A

B.

Student B

C.

Student C

D.

Student D

Answers

i would go with answer c) student c as it best describes all of the layers in the soil, giving it the most descriptive layer out of the others :)

STUDENT C would be the best answer

Can someone help me with theses

Answers

Answer:

Answer to #1, is D.

Explanation:

The theory of plate tectonics states that the Earth's solid outer crust, the lithosphere, is separated into plates that move over the asthenosphere, the molten upper portion of the mantle. This is also, a theory with the ring of fire.

Answer:

Explanation:

Because it is impossible for a near 1,000,000 ton well anything to float

In a chemical reaction, the bonds in the molecules
A.stay the same
B.change
C.vary
D.travel

Answers

Answer:

B. change

Explanation:

In a chemical reaction, the bonds in the molecules break apart and form new ones, thus b is the correct answer because they change.

the answer is b (change)

1. Where is the water in the pot going?

2.How does E? Emulsion, the celebrity food scientist, define a physical reaction and what examples does he give?

Answers

Answer:

Explanation:

A marble is placed at Location W. When the marble is released, it rolls down the track.
At which location does the marble have the least amount of potential energy? ASAP

Answers

Answer:

Explanation:

Answer:

The Answer Is Z,

Explanation:

Also Here Is A Picture Of My Teacher Being Frozen:

What front does this symbol represent on a weather map?

Answers

Answer:

cold warm or both dont really know

Explanation:

That is a stationary front

Hope this helped

Natalia began to draw a diagram to compare bases and acids.

Two overlapping circles with the word bases above the left circle and acids above the right circle. There is an X in the left circle in the portion, which is not part of the overlap.

Which label should be written in the area marked X?

conducts electric current
produces OH– ions
tastes sour
reacts with carbonates.

Answers

Answer:

first one

Explanation:

Answer

conducts electric current

Explanation:

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