3 years ago

Twenty students were surveyed to find out how many hours of tv they watch during a school week

Physics

1 answer:

EastWind [94]3 years ago

7 0

Whats the question?.....

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HELP!!! The planet Mars has a mass about one-tenth the mass of Earth. Even though Mars has two moons, their tidal forces have a

vladimir2022 [97]

Answer:

Say: Mars has a much weaker gravity effect than it does because it is smaller and cannot have as much gravity effect than it does on earth.

Explanation:

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3 years ago

A 357 kg box is pulled 8.00 m up a 30° frictionless, inclined plane by an external force of 4925 N that acts parallel to the pla

Sidana [21]

I'm so tremble right now

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3 years ago

The location where an earthquake begins

Ivahew [28]

Answer:

Explanation:

the location where an earthquake begin is called

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3 years ago

A cyclist rides 6.3 km east for 21 minutes, then he turns and heads west for 6 minutes and 1.8 km. Finally, he rides east for 13

Leona [35]

Answer:

$\vec{d}=17.7km$

Explanation:

Displacement is a vector that defines the position of a particle. The vector extends from the initial position to the final position. Therefore, the displacement only takes into account this positions, since its trajectory is not important:

$\vec{d}=6.3km-1.8km+13.2km\\\vec{d}=17.7km$

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4 years ago

Mention any five uses of simple machines.

vazorg [7]

Answer:

Inclined Plane - A ramp, for example a wheelchair ramp to help move to another level.

Wheel & Axle - On lawnmowers and wheelbarrow.

Lever - A seesaw

Pulley - adjustable clothesline (think from back then when you would put clothes out to dry them)

Screw - the bottle caps you screw on or off

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3 years ago