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3 years ago

7

What are some of the main types of forces?

1 answer:

emmainna [20.7K]3 years ago

6 0

Magnetic force, gravitational force, electrostatic force, frictional force.

Those are the top 4 main types of forces.

Hope this helps and hope you have a great day and brainiest is always appreciated

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What inspired Ronald McNair to do science

Karo-lina-s [1.5K]

Answer:

While working as a staff physicist at hughes Research Laboratories McNair learned that the National Aeronautics and Space Administration (NASA) was looking for scientist to join the shuttle program;)

4 0

3 years ago

A particle initially located at the origin has an acceleration of = 2.00ĵ m/s2 and an initial velocity of i = 6.00î m/s. (a) Fin

sleet_krkn [62]

Answer:

a)

6t i + t² j m

b)

6 i + 2 t j m/s

c)

x = 24 m and y = 16 m

d)

10 m/s

Explanation:

Explanation is given in the attached document.

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3 years ago

Mass and weight are the same in<br> meaning and unit.<br><br> true or false

schepotkina [342]

Answer:

False.

Explanation:

Mass is how much space an object takes up, while weight is how light or heavy an object is.

4 0

3 years ago

In a cricket match, the 0.16kg ball is bowled with a straight arm. During one particular delivery, the ball leaves the bowler's

Papessa [141]

Answer:

412.1 N

Explanation:

First of all let's calculate the total speed of the ball as it is released, which is equal to the speed of the ball + the speed of the bowler:

$v=80.8 mph +10.0 mph=90.8 mph$

Now let's convert it into m/s. We know that

$1 mph = 0.447 m/s$

So

$1 mph:0.447 m/s = 90.8 mph:v\\v=\frac{(0.447 m/s)(90.8 mph)}{1 mph}=40.6 m/s$

And now we can calculate the centripetal force, which is given by:

$F=m\frac{v^2}{r}$

where

m = 0.16 kg is the mass of the ball

v = 40.6 m/s is the speed of the ball

r = 0.64 m is the radius of the circular path (equal to the length of the bowler's arm)

Substituting:

$F=(0.16 kg)\frac{(40.6 m/s)^2}{0.64 m}=412.1 N$

6 0

4 years ago

Rabbit ear size tends to decrease as latitude increases. this is an example of _____.

Bond [772]

I would assume gravity?

3 0

3 years ago