2 years ago

Find the force on an object which has the mass of 20kg and an acceleration of 10m/s

Physics

1 answer:

Elis [28]2 years ago

4 0

Answer:

200 Newtons

Explanation:

20 kg x 10 m/s squared

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calculate the distance a plane flies on a 7.95 hour flight from Chicago to London. Assume a constant speed of 800.0 km/h

soldier1979 [14.2K]

Answer:

6360 km

Explanation:

Use the kinematics equation $x=v_ot+\frac{1}{2}at^2$ . We are given t = 7.95 hours and a = 0 m/s^2 (constant speed means there is no acceleration). Solve for x.

$x=(800)(7.95)+\frac{1}{2}(0)(7.95^2)\\x=6360 \ km$

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3 years ago

An electric heater is rated 1000watts. If a current of 5A pass through the heater, find the value of its resistance.

ICE Princess25 [194]

Answer: R=40 Ω

Explanation: $P=I^{2} R$

R=1000/ (25)=40

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3 years ago

Identify the layer of atmosphere in which we live.

topjm [15]

We are in the lowest layer called Troposphere.
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3 years ago

Please help.. urgent Which statement is equivalent to Newton's first law? a. 15,300 N b. 1.20*10^3 N c. 2,030 N d. 1,560 N

taurus [48]

According to Newton laws of motion,
F = m*a
Here, m = 1,560 Kg
a = 1.30 m/s²

Substitute their values,
F = 1,560 * 1.30
F = 2028 N ~ 2030 N [ Closest value ]

In short, Your Answer would be Option C

Hope this helps!

6 0

3 years ago

What is the period of a wave with a frequency of 0.75 Hz?

Wewaii [24]

Answer:

Period = 1.33 seconds

Explanation:

Period = 1/0.75

8 0

2 years ago