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zlopas [31]
3 years ago
8

PLEASE HELP!!! GIVING BRAINLIEST!! ill also answer questions that you have posted if you answer these correctly!!!! (47pts)

Physics
2 answers:
Reptile [31]3 years ago
5 0

Answer:

can I have points, i don't have any money

Airida [17]3 years ago
4 0

gave you earlier :) Check

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What are the chemical symbols for carbon aluminium hydrogen oxygen and sodium<br>​
Elis [28]

El unico que se es el del oxígeno: o2

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3 years ago
A hockey player shoots a puck across the ice with kinetic energy 63) and velocity 28 m/s. What is the mass of the puck?
icang [17]

Answer:

6 ounces

Explanation:

3 0
3 years ago
Calculate the force required to accelerate<br> a 600 g ball from rest to 14 m/s in 0.1 s.
Evgen [1.6K]

<u>Statement</u><u>:</u>

A force is required to accelerate a 600 g ball from rest to 14 m/s in 0.1 s.

<u>To </u><u>find </u><u>out</u><u>:</u>

The force required to accelerate the ball.

<u>Solution</u><u>:</u>

  • Mass of the ball (m) = 600 g = 0.6 Kg
  • Initial velocity (u) = 0 m/s [it was at rest]
  • Final velocity (v) = 14 m/s
  • Time (t) = 0.1 s

  • Let the acceleration be a.
  • We know the equation of motion,
  • v = u + at

  • Therefore, putting the values in the above formula, we get
  • 14 m/s = 0 m/s + a × 0.1 s
  • or, 14 m/s ÷ 0.1 s = a
  • or, a = 140 m/s²

  • Let the force be F.
  • We know, the formula : F = ma

  • Putting the values in the above formula, we get
  • F = 0.6 Kg × 140 m/s²
  • or, F = 84 N

<u>Answer</u><u>:</u>

The force required to accelerate the ball is 84 N and this force acts along the direction of motion.

Hope you could understand.

If you have any query, feel free to ask.

5 0
2 years ago
What is the average speed of the marble as it rolls across the floor?
dusya [7]

Answer:

1.5 m/s

Explanation:

5 0
3 years ago
A plane accelerates from rest at a constant rate of 5.00 m/s2 along a runway that is 1800 m long. Assume that the plane reaches
Alexeev081 [22]

Answer:26.83secs

Explanation: s= UT + 1/2at^2

U=0

S= 1/2at^2

1800=1/2*5t^2

3600=5t^2

3600/5=t^2

720=t^2

t=√720

t=26.83secs

5 0
3 years ago
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