3 years ago

A student is hit with a 1 kg pumpkin pie. The kinetic energy of the pie 32 J. What was the speed of the pie?

Physics

1 answer:

Zarrin [17]3 years ago

5 0

$1000 \div 33$

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Allushta [10]

Answer:

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Explanation:

Formula for acceleration is

V-U÷T

In the given information

V=16

U=4

T=4

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3 years ago

A jogger hears a car alarm and decides to investigate. While running toward the car, she hears an alarm frequency of 872.10 Hz.

Nata [24]

Answer:

v = 4.18 m/s

Explanation:

given,

frequency of the alarm = 872.10 Hz

after passing car frequency she hear = 851.10 Hz

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speed of the jogger = ?

speed of the

$v_f = \dfrac{872.10-851.10}{2}$

$v_f =10.5\ Hz$

v_o = 872.1 - 10.5

$V_0 = 861.6\ Hz$

The speed of jogger

$v = \dfrac{v_1 \times 343}{v_0}-343$

$v = \dfrac{872.1 \times 343}{861.6}-343$

v = 4.18 m/s

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2 years ago

a snail takes 16 minutes 40 seconds to cover a distance of 1 m calculate the average speed of the swimmer

matrenka [14]

The snail’s speed is 0.001042. Hope this helps!

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What are the characteristics of Earth’s lithosphere and how does the lithosphere play a role in plate tectonics?

pashok25 [27]

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Its tricky but am still working on it

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