4 years ago

Define the word projectile

Physics

1 answer:

Mariana [72]4 years ago

3 0

To send something far

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A racing car has a uniform acceleration of 5 metre per second square what distance will it cover in 10 seconds after the start

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Hey!

Given ,

Acceleration, a = 5 m/s^2

time , t = 10 seconds

Initial velocity,u = 0

Final velocity , v = ?

We have ,

v = u + at

=> v = (0)+(5)(10)

=> v = 50 m/s

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<span>A. perpendicular to the motion of the wave
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3 years ago

An apparatus like the one Cavendish used to find G has large lead balls that are 8.4 kg in mass and small ones that are 0.061 kg

garik1379 [7]

Answer:

The gravitational force is $1.05\times10^{-8}\ N$

Explanation:

Given that,

Mass of large ball = 8.4 kg

Mass of small ball = 0.061 kg

Separation = 0.057 m

Gravitational constant $G= 6.67\times10^{-11}\ Nm^2/kg^2$

We need to calculate the gravitational force

Using formula of gravitational force

$F= \dfrac{Gm_{1}m_{2}}{r^2}$

Put the value into the formula

$F=\dfrac{6.67259\times10^{-11}\times8.4\times0.061}{(0.057)^2}$

$F=1.05\times10^{-8}\ N$

Hence, The gravitational force is $1.05\times10^{-8}\ N$

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3 years ago

Which of the following statements describes an anticyclone?

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The answer is B high pressure.

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