Physics High School

A baseball pitcher throws a 0.14 kg ball toward a batter who is 18 m away.
The ball is traveling at 40 m/s when it leaves the pitcher's hand. What is the
ball's kinetic energy at this point?
A. 112 J
OB. 224 J
C. 12J
D. 3 J
SUBMIT

Answers

Answer 1

Answer:

A. 112 J

Explanation:

KE = ½mv² = ½(0.14)40² = 112 J

Related Questions

How does a fuse work?
A. A material burns out when current is excessive

B. A material burns out when resistance is excessive

C. A material burns out when voltage is excessive

D. A material acts as a switch to prevent electricity from flowing when voltage is excessive

Answers

Answer:

A. a material burns out when current is excessive

There is no centripetal force if the object moves in a long line. True or False?

Answers

Answer:

true

Explanation:

i think it's true because according to newtons first law of motion an object continues in motion unless compelled by an external force, this external force is known as the centripetal force.

I hope this helps

If the resistance reading on a dmm’s meter face is 22.5 ohms and the range selector switch is set to the R x 100 range what’s the actual measured resistance of the circuit
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B.2.25 mohms

C.2.25 kohms

D.225 ohms

Answers

Answer:

c

Explanation:

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