Ask question

Ask question

All categories

2 years ago

12

Calculate: a student lifts an apple to a height of 1 m. The apple weighs 1 N. How much work does the student do on the apple? Ty

pe out your calculations

1 answer:

Elina [12.6K]2 years ago

6 0

Answer:

1J

Explanation:

Work done = force × distance

1 × 1 = 1

Work done = 1J

J = Joules

You might be interested in

Wesley pushed a tennis ball down a long driveway in 2.5s. The ball traveled at a constant acceleration of 1.8 m/s2 down the slop

galina1969 [7]

Answer:

14.5m/s

Explanation:you had to divide 2.5s divide that by 1.8

6 0

3 years ago

What does the bohr model look like?

sergeinik [125]

Pic of Bohr Model attached

7 0

4 years ago

Read 2 more answers

The kinetic energy, k, of an object varies jointly with the mass of the object and the square of the velocity of the object. a 5

o-na [289]

Answer:

KE = 1/2 M V^2 = 1/2 * 25 * 10^2 = 1250 J

Check

M2 = 1/2 M1

V2 = V1 / 2

E2 = 1/2 * 1/4 E1 = E1 / 8 = 10000 / 8 = 1250 J

8 0

2 years ago

Read 2 more answers

Your friend asks you for a glass of water and you bring her 5 milliliters of water. Is this more or less than what she was proba

Eddi Din [679]

Probably not what you were expecting... the average bottle of water is 24 ounces. 5 milliliters is about the amount of water in a spoon. Hope this helps!!!

3 0

3 years ago

Help me please this test is due today!

aleksley [76]

Answer:

v = 80.48 km/h.

Explanation:

We have,

Acceleration of a train is 2 km/h/s or 7200 km/h²

Initial velocity of a train is 20 km/h

It is required to find the velocity after 30 seconds or 0.0084 h

Let v is the final speed. Using equation of kinematics as :

$v=u+at\\\\v=20+7200\times 0.0084\\\\v=80.48\ km/h$

So, the final speed of the train is 80.48 km/h.

7 0

4 years ago

Read 2 more answers