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Sliva [168]
3 years ago
15

Please help me with my question

Physics
1 answer:
Rufina [12.5K]3 years ago
6 0
Number 1!!!!!!!!!!!!!

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PLEASE HELP MEE THIS IS DUE IN 45 MINS
guajiro [1.7K]

Answer:

The distance travelled does not depend on the mass of the vehicle. Therefore, s = d

Explanation:

This deceleration situation can be analyzed by means of Work-Energy Theorem, where change in translational kinetic energy is equal to the work done by friction:

\frac{1}{2}\cdot m\cdot v^{2}-\mu\cdot m\cdot g \cdot s = 0 (1)

Where:

m - Mass of the car, in kilogram.

v - Initial velocity, in meters per second.

\mu - Coefficient of friction, no unit.

s - Travelled distance, in meters.

Then we derive an expression for the distance travelled by the vehicle:

\frac{1}{2}\cdot v^{2} = \mu \cdot g \cdot s

s = \frac{v^{2}}{\mu\cdot g}

As we notice, the distance travelled does not depend on the mass of the vehicle. Therefore, s = d

3 0
3 years ago
the part of the brain stem called the has been shown to related to arousal in lab animals. when this part is stimulated the anim
riadik2000 [5.3K]

Answer:

Its called PSY

Explanation: I so do not know why they named it this way but, hope i helped.

3 0
3 years ago
Convert 9.065 m to<br> cm<br> 90.65<br> 906.5<br> 9065<br> 0.0965<br> SUBMIT ANSWER
DedPeter [7]

Answer:

906.5 cm

Explanation:

1 m = 100 cm

9.065 m = 100 cm * 9.065 m = 906.5 cm

8 0
3 years ago
Mass m, moving at speed 2v, approaches mass 4m, moving at speed v. The two collide elastically head-on. Part A Find the subseque
meriva
Thank you for posting your question here at brainly. A mass of m moves with 2V towards in the opposite direction of a mass, 4m moving at a speed of V, the speed of m was 2/5V and the mass of 4m was 7.5V. I hope it helps.
4 0
3 years ago
Read 2 more answers
Which of the following would have the highest power rating? 100 joules of energy used in 0.5 seconds 500 joules of energy used i
Margaret [11]

Power  =  (amount of energy moved or work done) / (the time it takes)

<span>100 joules of energy used in 0.5 seconds = (100/0.5) = 200 watts

500 joules of energy used in 0.5 seconds = (500/0.5) = 1,000 watts

100 joules of energy used in 0.25 seconds = (100/0.25) = 400 watts

500 joules of energy used in 0.25 seconds </span>= (500/0.25) = 2,000 watts

The last choice describes the greatest power.

3 0
4 years ago
Read 2 more answers
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