3 years ago

A 4 kg rock is rolling 10 m/s find its kinetic energy

1 answer:

5 0

The answer is 200 J

The kinetic energy (KE) is:
KE = 1/2 m * v²
m - mass of the object
v - velocity of the object

We have:
m = 4 kg
v = 10 m/s

KE = 1/2 * 4 kg * 10² m/s
KE = 200 J

You might be interested in

Closing statement: In three to four sentences explain how your plant rankings could protect the dunes.

Wittaler [7]

The answer is 136 and seven

4 0

3 years ago

Read 2 more answers

An orgo lab student named Bob wanted to synthesize an isoamyl acetate ester because it smells like bananas and he really likes t

mihalych1998 [28]

Answer:

The answer is "11.07 g".

Explanation:

Isoamyl alcohol is a reagent restriction

Isoamyl alcohol Moles:

$= \frac{7.5}{88.15} \\\\ =0.085$

Moles only with the shape of isoamyl acetate are equivalent to numbers.

Isoamyl acetate grams:

$= 0.085 \times 130.19\\\\ = 11.07 \ g$

3 0

3 years ago

How many grams of NaBr are needed to produce 187 grams of CaBr2

andrey2020 [161]

You will need 96.3g (3sf)

6 0

4 years ago

Read 2 more answers

What type of conspiracy did Apple take part in?

zimovet [89]

There is sufficient evidence to show that Apple violated Section 1 of Sherman Act by making publishers raise price of e-books.

Explanation:

Google

6 0

3 years ago

Read 2 more answers

Which change occurs when an atom in excited state returns to ground state? 1 energy is emitted 2energy is absorbed 3 the number

kozerog [31]

The answer is number 1 - energy is emitted

Energy is released when an atom in an excited state returns to the ground state.

7 0

3 years ago

Read 2 more answers