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natta225 [31]
3 years ago
6

HELP PLEASEEEEEEEEEEE

Physics
1 answer:
sertanlavr [38]3 years ago
7 0

Answer:

dolphins and wolfs very easy

Explanation:

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The fall of a body on the earth's surface cannot be a complete free fall why ?​
leonid [27]

Explanation:

because the boy has larger surface area due to which he offers the larger air resistance which decreases the acceleration so, he will fall towards the earth's surface approximately with constant velocity.

3 0
3 years ago
HELPPP I NEED HELP ASAP NOW
Zarrin [17]

Answer:

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3 years ago
.A car has a steady speed of 10 m/s.<br> How far does the car travel in 10 mins?
aniked [119]

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A ball resting on a roof 75 meters high has 1000 Joules of gravitational potential energy. Calculate the mass of the ball. (SHOW
Arturiano [62]

Answer:

The mass of the ball is 1.360 kilograms.

Explanation:

By Work-Energy Theorem, gravitational potential energy (U), in joules, is the product of weight of the ball (W), in newtons, and height (h), in meters. Please notice that weight is the product of the mass of the ball (m) and gravitational acceleration (g), in meters per square second. Then, the formula for the mass of the ball is:

m = \frac{U}{g\cdot h} (1)

If we know that U = 1000\,J, g = 9.807\,\frac{m}{s^{2}} and h = 75\,m, then the mass of the ball is:

m = \frac{U}{g\cdot h}

m = 1.360\,kg

The mass of the ball is 1.360 kilograms.

8 0
2 years ago
11. A candle is placed in front of a plane mirror. The calculated value of m,
PtichkaEL [24]

Answer: If the magnification is positive, the image is upright compared to the object; if m is negative, the image is inverted compared to the object.

(I think, I was also stuck on this question for a bit)

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2 years ago
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