3 years ago

Jeffrey is on his skateboard and starts skating down a ramp. Ten seconds later he is travelling at

Chemistry

1 answer:

AfilCa [17]3 years ago

7 0

Answer: 2m/s^2

Explanation:

Velocity of skateboard = 20.0 m/s.

Time taken = Ten seconds (10 s)

Acceleration = ?

Recall that acceleration is the change in velocity of a body per unit time.

i.e Acceleration = (velocity / Time)

Acceleration = 20.0m/s ➗ 10 s

Acceleration = 2m/s^2

Thus, Jeffrey acceleration was 2m/s^2

You might be interested in

Use the periodic table to write the electron configuration of selenium (Se). s s p d 1 2 3 4 6 10

maw [93]

Answer: 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^4

Explanation:

I suggest looking at the electron configuration chart, it has really helped me a lot :)

4 0

2 years ago

Read 2 more answers

When 500 g of water is cooled from 80.0°C to 10.0°C, how much heat energy is lost?

vampirchik [111]

I don’t know

Explanation:

6 0

2 years ago

Read 2 more answers

density of a sample of tin is 8 g/'ll when the actual density was 7.28 g/ml. what was the percentage error

riadik2000 [5.3K]

9.9%

|Approximate Value − Exact Value| divided by

|Exact Value| X 100

7 0

2 years ago

Simple machines make work easier. Most simple machines reduce the amount of effort force needed to move an object. This cart has

tino4ka555 [31]

Sorry I skate and usually the smaller wheel rolls faster. Try C. then It's like longboard wheels they roll pretty fast.

7 0

3 years ago

Read 2 more answers

What are the base units the SI units are based on?<br> A-10<br> B-100<br> C-1,000<br> D-1

Olegator [25]

Answer:

A-10

Explanation:

In the SI, designations of multiples and subdivision of any unit may be arrived at by combining with the name of the unit the prefixes deka, hecto, and kilo meaning, respectively, 10, 100, and 1000, and deci, centi, and milli, meaning, respectively, one-tenth, one-hundredth, and one-thousandth.

IM NOT SURE PO

4 0

2 years ago