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4 years ago

What term refers to the product of an object's mass and velocity?

Physics

2 answers:

aleksandr82 [10.1K]4 years ago

5 0

Momentum (symbol p) and the equation of momentum is:

p = m*v

lianna [129]4 years ago

4 0

Yes it's definitely momentum.

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An advertisement claims that a centrifuge takes up only .127m of bench space but can produce a radial acceleration of 2400g at 4

givi [52]

Answer:

$r=0.13m$

Explanation:

From the question we are told that:

Distance $d=0.127$

Acceleration $a=2400g$

Angular Velocity $\omega=4000rev/m$

Generally the equation for Acceleration is mathematically given by

$a=\omega^2*r$

$2400g = (\frac{ 4000 * 2 }{pi /60 })^2 * r$

$r=0.13m$

8 0

3 years ago

A train travels 55 kilometers in 2 hours, and then 52 kilometers in 5 hours. What is its average speed?

bulgar [2K]

The formula for working out speed is distance ÷ time.

55 km ÷ 2 hours = 27.5 km/h (average speed for first part of journey)

52km ÷ 5 hours = 10.4 km/h (average speed for second part of journey)

(27.5 + 10.4) ÷ 2 = 18.95 km/h (average speed throughout the journey)

4 0

3 years ago

Read 2 more answers

The two vectors 3 and 7 added together

tigry1 [53]

Explanation:

You walk 53m to the north, then you turn 60° to your right and walk another 45m. Determine the direction of your displacement vector. Express your answer as an angle relative to east.

6 0

3 years ago

What is the acceleration of a rocket ship that takes 5.0 seconds to increase its speed from 1240 m/s to 1300 m/s?

stellarik [79]

Answer:

$\boxed{\text{\sf \Large 12 m/s^2 $}}$

Explanation:

Use acceleration formula

$\displaystyle \text{$ \sf Acceleration=\frac{Change \ in\ velocity}{Time \ taken} $}$

$\displaystyle a=\frac{1300-1240}{5.0} =12$

6 0

3 years ago

Least count of a stop watch is 0.2 sec. The time of 20 oscillations of a pendulum is measured to be 25 sec. The max % error in m

motikmotik

The time measured is 25 seconds. The error in the measurement is 0.2 seconds. The % error is therefore
(0.2/25)x100 = 0.8%.

The period of one oscillation is 25/20=1.25 seconds. The error in the period is 0.8/100 x 1.25 = 0.01 second.
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ie period = 1.25 +/- 0.01 s.

I hope my answer has come to your help. Thank you for posting your question here in Brainly.
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4 0

4 years ago