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4 years ago

Describe the link between the distance from the Sun and the speed

Physics

1 answer:

tresset_1 [31]4 years ago

6 0

Answer: The closer the planet is to the sun, the faster it travels

Explanation:

The speed of the planets goes down as the chart shows planets farther away from the sun

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The kinetic energy of a ball with the mass of 0.5 kg and a velocity of 10 m/s is what

slamgirl [31]

Answer:

25J

Explanation:

Kinetic energy = 1/2 mv²

Mass = m= 0.5kg

Velocity = v = 10m/s

K. E = 1/2 x 0.5 x 10 x 10

K. E = 0.5 x 5 x 10

K. E = 2.5 x 10

K. E = 25 J

The S. I unit of energy is joules with symbol J

I hope this was helpful, Please mark as brainliest

4 0

4 years ago

The weight of a person is 500N and his foot imprint area is 0.5m^2.Calculate the total pressure exerted by person when he stands

Ghella [55]

Answer:

Pressure on both feet will be $500N/m^2$

Explanation:

Weight of the person F = 500 N

Area of foot print $A=0.5m^2$

Area of both the foot $A=2\times 0.5=1m^2$

We have to find pressure on both the feet

Pressure is equal to ratio of force and area

So pressure $P=\frac{F}{A}$

$P=\frac{500}{1}=500N/m^2$

So the pressure on both feet will be $500N/m^2$ when person stands on both feet.

7 0

4 years ago

A stone is thrown horizontally with an initial speed of 50.0 m/s from the edge of a cliff. A stopwatch measures the stone's traj

LenKa [72]

Answer:

height of the cliff = 74.529 meters

Explanation:

in this problem we will write projectile motion equations in x and y directions.

writing the equation of motion

$s = ut + \frac{1}{2}at^{2}$

where s is the distance traveled in x or y direction, u the initial velocity in x or y direction, t is the time travelled, a is the acceleration along x or y direction.

therefore along y direction $u_{y}$ = 0 and $a_{y}$ = -9.8 m/ $s^{2}$ .

therefore along y direction the equation becomes $H = -\frac{1}{2}gt^{2}$ applying the values $H = -\frac{1}{2}9.8\times 3.9^{2}= 74.529meters$

6 0

4 years ago

technician a says the charging system is needed to keep the battery fully charged and recharge the battery after starting. techn

storchak [24]

Answer:

Technician A is correct

Explanation:

The statement "charging system is needed to keep the battery fully charged and recharge the battery after starting" is correct

from technician's B point of view, that the charging system supplies electrical current needs after engine start is incorrect.

In-fact the charging system is dedicated to the battery alone, the electrical needs of the system is gotten from the battery.

3 0

4 years ago

Help me. Please. Please. I’m so so serious I need this.

BabaBlast [244]

Answer:

what do u need help with

Explanation:

5 0

3 years ago