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Veronika [31]
3 years ago
5

A sports car accelerates from zero to 30 mph in 1.5 s. How long does it take for it to accelerate from zero to 60 mph, assuming

the power of the engine to be independent of velocity and neglecting friction?A. 2 sB. 3 sC. 4.5sD. 6 sE. 9 s
Physics
2 answers:
Yakvenalex [24]3 years ago
7 0

Answer:

4.5s

Explanation:

A sports car accelerates from zero to 30 mph in 1.5 s.

lys-0071 [83]3 years ago
6 0

Answer:Would it be 3 seconds?

Explanation:

I'm not in college so ihni but i think it's 3 but....

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gulaghasi [49]
He has a mass of 56 kg.

The equation given is PE = mgh.

PE = 4620 J

h = 8.4

g = 9.8

Therefore:

4620 = 82.32m

m = 4620/82.32
m = 56 (rounded to two significant digits)
5 0
3 years ago
When you walk across the ground and push on it with your feet...
marissa [1.9K]

Answer:

The ground pushes back on your feet with equal force.

Explanation:

Newton's Laws of Motion

6 0
3 years ago
Read 2 more answers
What is the mass of a truck in grams of it produces a force of 1500N while accelerating at a rate of 6 m/s²?​
aleksley [76]

Answer:

250,000

Explanation:

<h2> </h2>

<h2>formula = ( F=ma </h2>

  • F=1500N
  • a=6m/s^2
  • F= ma
  • m=?
  • 1500/6 = m
  • m=250 kg
  • 1kg =1000gm so 250kg =250,000gm
  • m =250×10^3 gm
5 0
3 years ago
A train is moving at a speed of 50 km/h. How many hours will it take the train to travel 600 kilometers?
EastWind [94]

Answer:

12 hours

Explanation:

600 divided by 50 is 12

6 0
3 years ago
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LiRa [457]

Answer:

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2 years ago
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