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Iteru [2.4K]
3 years ago
12

How could you show the effect that gravity has on you? Name 2 ways and explain how they would show that gravity affects you.

Physics
1 answer:
Ilia_Sergeevich [38]3 years ago
8 0
1). Step on a bathroom scale & talk about where the force shown on the dial is coming from.

2). From the floor, climb up on to a chair, then explain why it's hard to do.

3). From up on the chair, take one giant step forward, then talk about what pulled you to the floor (and not to the ceiling or a wall).
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Anybody knows this thanks !
ss7ja [257]

Answer:

225J

Explanation:

1/2mvsq=1/2×50×9

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3 years ago
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This diagram represents a top-down view of an experiment on a table. The 250g and 100g masses are falling and are pulling the bl
nata0808 [166]
The answer should be B: 500g of mass on bottom.
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3 years ago
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A car traveling at 60km/h undergoes uniform acceleration at a rate of 2/ms^2 until is velocity reached 120km/h determine the dis
jenyasd209 [6]

Explanation:

Given that,

Initial speed of a car, u = 60 km/h = 16.67 m/s

Acceleration, a = 2m/s²

Final speed, v = 120 km/h = 33.33 m/s

We need to find the distance traveled and the time taken to make the distance.

acceleration = rate of change of velocity

a=\dfrac{v-u}{t}\\\\t=\dfrac{v-u}{a}\\\\t=\dfrac{33.33 -16.67 }{2}\\\\t=8.33\ s

let the distance be d.

d=\dfrac{v^2-u^2}{2a}\\\\d=\frac{33.33^{2}-16.67^{2}}{2(2)}\\\\d=208.25\ m

Hence, the distance traveled and the time taken to make the distance is 208.25 m and 8.33 seconds respectively.

3 0
2 years ago
How the behavior of waves is affected by a medium
Schach [20]
The medium determines the speed of the wave traveling in it, which also can have a number of other effects, including how much the wave bends (refracts), whether it reflects, etc.
Because waves move through space, they must have a velocity. The velocity of a wave is a function of the type of wave, and the medium it travels through. Electromagnetic waves moving through a vacuum, for instance, travel at roughly 3 x
10
8
m/s. This value is so famous and common in physics it is given its own symbol, c.
3 0
3 years ago
A planet orbits a start with the path shown below.
kvv77 [185]

PART a)

As we know that gravitational potential energy is given by the formula

U = -\frac{Gm_1m_2}{r}

here we can see that gravitational potential energy inversely varies with the distance

so here when distance from the sun is minimum then magnitude of gravitational potential energy is maximum while since it is given with negative sign so its overall value is minimum at that position

So gravitational potential energy is minimum at the nearest point and maximum at the farthest point

PART b)

Since we know that sum of kinetic energy and potential energy is constant here

so the points of minimum potential energy is the point where kinetic energy is maximum which means speed is maximum

So here speed is maximum at the nearest point

Part C)

since gravitational potential energy inversely varies with distance so it's graph will be like hyperbolic graph with distance

4 0
3 years ago
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