3 years ago

Find the force of gravity between two physics students that have masses of 74.0 kg and 82.5 if they are sitting 0.95 m apart

1 answer:

7 0

The force of gravity is calculated by F = G*(m1*m2)/r^2. Here m1 = 74 kg, m2 = 82.5 kg and r = 0.95 m (and G is 6.674Ă—10â’11 m3â‹…kgâ’1â‹…sâ’2). Plug in and calculate: F = 6.674e-11 * (74*82.5)/(0.95^2) ~ 4.52 e-7 N = 45 ÂµN Answer: the force is 45 ÂµNewtons.

You might be interested in

Which county in Florida is most in need of safe rooms and hurricane ties?

Murrr4er [49]

Probably Pasco. Lol.

8 0

2 years ago

Read 2 more answers

A car travels for 5.5 h at an average speed of 75 km/h. How far did it travel? T TE

ANEK [815]

Answer:

$\boxed {\boxed {\sf 412.5 \ kilometers }}$

Explanation:

Distance is the product of speed and time.

$d=s*t$

The speed of the car is 75 kilometers per hour. It traveled for 5.5 hours.

$s= 75 \ km/hr \\t= 5.5 \ hr$

Substitute the values into the formula.

$d= 75 \ km/hr * 5.5 \ hr$

Multiply. Note that the hours will cancel each other out.

$d= 75 km * 5.5 \\d= 412.5 \ km$

The car travelled 412.5 kilometers.

5 0

2 years ago

Methods to reduce the frictional force between the an object and surface which it is in contact.

telo118 [61]

Use of lubricant
Use of ball bearers
Use of streamlined body
Use of graphite

7 0

2 years ago

Determine the kinetic of 600 kg roller coaster car that is moving with the speed of 35.2 m/s.

antiseptic1488 [7]

The answer is 10,560 Joules or 1.1*10^4

Explanation:

Step 1: Calculate
The equation for Kinetic Energy is

Kinetic energy=.5 times Mass times Velocity²
KE=.5*m*v²

so we plug in our numbers
KE=.5*600*35.2²

This works out to be 10,560 Joules or 1.1*10^4

5 0

3 years ago

The image messed up but you get the point. Don't be mean and just answer to get the points, please and thank you.

Katarina [22]

Answer:

Answer is A, it will pass through to focal point after reflecting.

Explanation:

I had the same question in a test, Sorry that you had to do this question in middle school.

4 0

3 years ago