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4 years ago

The moon has much less gravitational force than earth. What would happen if you went to the moon?

1 answer:

7 0

Besides suffocating and inflating like a balloon in the Moon's lack of Oxygen, getting cooked during the Moon's daytime, getting frozen solid during the Moon's night-time, and having no access to the internet or any radio or TV stations, you would weigh only about 16% of what you weigh on Earth because of the Moon's lesser gravity.

So like if you weigh 135 pounds on Earth AND you remembered to bring the bathroom scale with you when you left for the Moon, the scale would show that you weigh only a little over 22 pounds there.

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Assume that segment r exerts a force of magnitude t on segment l. what is the magnitude flr of the force exerted on segment r by

mrs_skeptik [129]

If we are talking on the force being exerted by a segment of a rope of lenght R on the right on a point M which is being also pulled from the Left by a segment of rope R as shown in the figure attached. Then we invoke Newton's Third Law:
"Any force exerted by an object (in this case a segment of the rope) also suffers a equal and opposite force".
If we pick $T_R=T$ whis is the tension exerted by the right segment then the left segment will also exert an equal and opposite force so we have that $T_L=-T$

8 0

3 years ago

How much work is done when a force of 15.0 newtons is used to lift a box 3.0 meters into the air?

denis-greek [22]

Added potential energy = (mass) x (gravity) x (height)

Added potential energy = (weight) x (added height)

If you need to lift a 15N box 3m straight up, you have to increase its potential energy by (15 N) x (3 m) = 45 Joules .

Where is that added potential energy supposed to come from ? You could use an electric winch, a steam engine, a gasoline-powered motor, thousands of hamsters running on little treadmills that are are connected to the main pulley somehow, or your own arm muscles. But howEVER you do it, you have to provide <em>45 Joules</em> of WORK in order to increase the potential energy of the box by just that much.

8 0

3 years ago

Read 2 more answers

he magnetic coils of a tokamak fusion reactor are in the shape of a toroid having an inner radius of 0.700 m and an outer radius

RideAnS [48]

Answer:

B = 4.323 T

Explanation:

We are given;

Inner radius; r_i = 0.7 m

Number of turns; N = 890 turns

Current; I = 17 KA = 17000 A

Formula for the magnetic field inside the toroid along the inner radius is given by;

B = (μ_o × N × I)/(2πr)

μ_o is vacuum of permeability with a constant value of 4π × 10^(-7) H/m

Plugging in the relevant values, we have;

B = (4π × 10^(-7) × 890 × 17000)/(2 × π × 0.7)

B = (2 × 10^(-7) × 890 × 17000)/(0.7)

B = 4.323 T

4 0

3 years ago

A point charge Q is located a short distance from a point charge 3Q, and no other charges are present. If the electrical force o

weeeeeb [17]

Answer:

d) F

Explanation:

According to columb's law:

"The magnitude of electrostatic force between two charges is directly proportional to the product of magnitude of two charges and inversly proportional to separation between them."

If q₁ and q₂ are magnitude of two charges, d is distance between them and k is dielectric constant, then force F is given by

$F=\frac{kq_{1}q_{2}}{d^2}$

According to this force exerted on point charge Q is same as that of 3Q, so force point 3Q charge experience is also F

7 0

3 years ago

A compound contains two or more

grigory [225]

A compound contains two or more different elements.
It also contains two or more atoms.

Both answers work

7 0

3 years ago