If you can throw a ball at 20m/s what is the maximum distance you can throw it?

Answers

Answer 1

Answer: it depends on how long the ball stays in the air
1 s=20m
10 s=200m

Answer 2

Answer:

Final answer:

The maximum distance that a ball can be thrown at a speed of 20 m/s depends on the angle at which the ball is thrown. In ideal conditions and at a 45-degree angle, the theoretical maximum distance is approximately 40.57 meters.

Explanation:

The question is asking about the maximum distance you can throw a ball given an initial speed, which is a topic in Physics known as projectile motion. In an ideal condition, where air resistance is ignored, the maximum distance a projectile can travel is achieved when it is launched at an angle of 45 degrees.

However, we are missing a piece of information in this situation, which is the launch angle. Without knowing the angle at which the ball is thrown, we cannot accurately calculate the maximum distance. Theoretically, if the ball is thrown at an angle of 45 degrees, the distance (d) can be obtained using the formula for the range of a projectile: d = (v^2)/g, where v is the initial speed and g is the acceleration due to gravity. Substituting the value, d = (20^2)/9.81 = 40.57 meters. But this is an estimation and the value could change according to the actual circumstances when the ball is thrown.

Learn more about Projectile Motion here:

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Do magnets work through glass?

Answers

Yes but the thicker the glass the stronger the magnet has to be

What is the momentum of a 2-kg toy truck that moves at 10 m/s

Answers

p=mv
p=(10)(2)
p=20 kg*m/s

Which force is always pulling but never pushes and is directly influenced by mass

Answers

Answer: I know when it comes to magnetic objects the magnet always pulls not push.

Answer:

i believe it is gravity

Explanation:

the gravitational force is a force that attracts any two objects with mass. it pulls things together does not pushes them.

If 600 J of work is done in 3 s, what is the power? (Power: P = W/t)

Answers

P = W/t
= 600 / 3
Power = 200 Watt

Answer: 200 W

Explanation:

In physics, power is defined as the amount of work done divided by the time taken to do that work:

$P=(W)/(t)$

where W is the work done and t is the time.

In this problem, the work done is W=600 J, while the time taken is t=3 s. Substituting into the formula, we find the power:

$P=(600 J)/(3 s)=200 W$

shelly starts from rest on her bicycle at the top of a hill. After 6.0s she has reached a final velocity of 14m/s. what is shellys acceleration.

Answers

Answer:

Acceleration, $a=2.33\ m/s^2$

Explanation:

It is given that,

Initial speed of Shelly, u = 0

After 6 seconds, she has reached a final velocity of 14 m/s, v = 14 m/s

We need to find the acceleration of Shelly. The formula to find the acceleration is given by :

$a=(v-u)/(t)$

$a=(14\ m/s-0)/(6\ s)$

$a=2.33\ m/s^2$

So, the acceleration of Shelly's is $2.33\ m/s^2$ . Hence, this is the required solution.

divide 14 by 6 and there is your answer with the unit of m

A force of 200 N is required to keep an object sliding at a constant speed of 2 m/s across a rough floor. How much power is being expended to maintain this motion?

Answers

Force x speed = power
200 x 2 = 400 watts

Answer:

Explanation:

Power = work/time

Work = force x distance

power = force X distance/time (velocity)

power = 200N x 2m/s

power = 400 joules

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