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3 years ago

The position of a 2.2 kg mass is given by x=(2t3â5t2) m, where t is in seconds.

Physics

1 answer:

Juliette [100K]3 years ago

6 0

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The speed of an object and direction of its travel is?

makkiz [27]

Velocity is the answer..

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3 years ago

Samples of different materials, A and B, have the same mass, but the sample

Effectus [21]

Answer:

B. The particles that make up material B have more mass than the

particles that make up material A.

Explanation:

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3 years ago

The velocity of a moving body increases from 10m/s to 15 m/s in 5 sec . calculate its acceleration

Gnoma [55]

Answer:

v=u+at

15=10+a x 5

15-10= 5a

5= 5a

a=1 m/sec^2

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3 years ago

When the distance increases, the electrostatic force____; we call this relationship proportional

Alik [6]

Answer:

I think decreases inversely

Explanation:

the third

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2 years ago

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A small electric motor produces a force of 5 N that moves a remote-control car 5 m every second. How much power does the motor p

kati45 [8]

Answer:

Explanation:

Given:

Force, f = 5 N

Velocity, v = 5 m/s

Power, p = energy/time

Energy = mass × acceleration × distance

Poer, p = force × velocity

= 5 × 5

= 25 W.

Note 1 watt = 0.00134 horsepower

But 25 watt,

0.00134 hp/1 watt × 25 watt

= 0.0335 hp.

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3 years ago

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