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rusak2 [61]
2 years ago
10

A 1200-kilogram automobile in motion strikes a 0.0001-kilogram insect. As a result, the insect is accelerated at a rate of 100 m

eters per second squared. What is the magnitude of the force the insect exerts on the car?
Physics
2 answers:
nadya68 [22]2 years ago
6 0

Answer:

force = 1 × 10^{-2} N

Explanation:

given data

automobile mass = 1200 kg

insect mass = 0.0001 kg

insect accelerated = 100 m/s²

to find out

magnitude of the force the insect exerts on the car

solution

we get here force the insect exerts that is express as

force = mass × acceleration    ............1

put here value we get

force = 0.0001 × 100 m/s²

force = 1 × 10^{-2} N

Scrat [10]2 years ago
6 0

Answer:

0.01 N

Explanation:

mass of automobile, M = 1200 kg

mass of insect, m = 0.0001 kg

acceleration, a = 100 m/s^2

Force on insect, F = mass of insect x acceleration

F = 0.0001 x 100

F = 0.01 N

Thus, the force on the insect is 0.01 N.

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Answer:

(A) Angular speed 40 rad/sec

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(b) 37812.5 J

Explanation:

We have given moment of inertia of the wheel I=25kgm^2

Initial angular velocity of the wheel \omega _0=10rad/sec

Angular acceleration \alpha =15rad/sec^2

(a) We know that \omega =\omega _0+\alpha t

We have given t = 2 sec

So \omega =10+15\times  2=40rad/sec

Now \Theta =\omega _0t+\frac{1}{2}\alpha t^2=10\times 2+\frac{1}{2}\times 15\times 2^2=50rad

(b) After 3 sec \omega =10+15\times 3=55rad/sec

We know that kinetic energy is given by Ke=\frac{1}{2}I\omega ^2=\frac{1}{2}\times 25\times 55^2=37812.5J

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Explanation:

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2 years ago
All objects near the earths surface - regardless of size and weight - hhave the same force of gravityvacting on them.
masya89 [10]

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B. False

Explanation:

Not all objects near the earths surface - regardless of size and weight - have the same force of gravity on them.

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Answer:1.04 N

Explanation:

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