Can someone please help me with my physics homework?! A water skier has a mass off 68kg.

Calculate the resultant force acting on the water skier while accelerating.

Answers

Answer 1
Answer: Everybody is making something tough out of something easy.

Everybody knows the formula [ Force = (mass) x (acceleration) ].  Right ?

We're supposed to find the force on the skier when the skier is accelerating,
and it gives us the skier's mass.  So there you are !

Net force on the skier = (64 kg) x (the skier's acceleration).

It depends on the skier's acceleration, which we're not told.
More acceleration = the result of more net force.
More net force = the cause of more acceleration.

And that is absolutely everything that you can do with the information
that's given in this question.

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When in orbit, a satellite such as the space shuttle isa. simply a projectile.
b. in non-accelerated motion.
c. free from Earth's gravity.

Answers

Answer: B

Explanation:

When in orbit, a satellite is hold in position thanks to, between others, the earth's gravity. So the C option is discarded.

A projectile is an object thrown by the exertion of some force, like a bullet or a cannonball.

A satellite is placed in some orbit, so he can rotate the earth. The movement of the satellite is non-accelerated motion, because the only forces that act on the satellite are the forces that hold him in orbit.

Final answer:

When in orbit, a satellite such as the space shuttle is in non-accelerated motion and is influenced by Earth's gravity.

Explanation:

When in orbit, a satellite such as the space shuttle is in non-accelerated motion.

It is not simply a projectile because it is continuously under the influence of Earth's gravity.

However, it is not completely free from Earth's gravity as it continues to be pulled towards the Earth.

Learn more about Satellite motion here:

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a 5kg mass resting on a smooth horizontal, frictionless table is connected to a cable which passes over a pulley and then is fastened to a hanging 10kg mass. find the acceleration of the two objects and the tension of the string.

Answers

T= 5a

 -T +10g = 10a

-15a =10g

a=-10g/15

a= -1/2 g
Negative a means block is accelerating downwards.

What is the gravitational potential energy of a book with a mass of 0.30 kg on a 1.0 m high desk?

Answers

given,
mass, m = .30kg
height, h = 1 m
gravitational acceleration, g = 9.8 m/s²

PE = mgh = .30kg*9.8m/s²*1m = 2.94 J

Answer:

3.0

Same explanation as the person above but the significant figures must be considered in physics.

If the sun rises at 5 am and sets at 6 pm, what is the length of the day? a) 11 hours b) 12 hours c) 13 hours d) 24 hours

Answers

Answer:

24 hours

Explanation:

What are two main factors that affect how quickly a coastline erodes?

Answers

the hardness of the rock and the energy of the waves -- that would be the answer

What is the total displacement of a bee that flies 2 meters east, 5 meters north, and 3 meters east?

Answers


I think, not positive, but I think its 30