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3 years ago

What activity would require more impulse?

Physics

1 answer:

Gnesinka [82]3 years ago

3 0

B. Accelerating a bowling ball from rest to 35 m/s

Explanation:

Accelerating a bowling ball from rest to 35m/s will require more impulse compared to a baseball.

Impulse is the force acting on a body a particular period of time. It is similar to momentum.

When impulse is applied on a body, it change it state from rest and cause motion.

A body with more mass will require a higher impulse to cause it to accelerate. Bowling balls are heavier. They require more impulse to make them move.

Learn more:

Momentum brainly.com/question/9484203

#learnwithBrainly

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22. On a day the wind is blowing toward the south at 3m/s, a runner jogs west at 4m/s. What is the velocity of the air relative

blagie [28]

The velocity of the air relative to the runner is 5 m/s.

<h3>What is the relative velocity?</h3>

We must recall that velocity is a vector quantity and the relative velocity must be obtained vectorially. Thus we know that;

Velocity of the runner = 4m/s. due west

Velocity of the wind = 3m/s due south

The relative velocity is;

Vr = √(4)^2 + (3)^2

Vr = 5 m/s

Learn more about relative velocity:brainly.com/question/20813206

#SPJ1

3 0

2 years ago

Radio Waves If your favorite FM radio station broadcasts at a frequency of 104.5 MHz, what is the wavelength of the station’s si

kompoz [17]

Answer:

The wavelength of the station’s signal is 2.9 meters

The energy of a photon of the station’s electromagnetic signal is $6.9\times10^{-26}J$

Explanation:

Wavelength $\lambda$ is inversely proprtional to frequency (f) and directly proportional to velocity of the wave (v).

$\lambda=\frac{v}{f}$ (1)

But electromagnetic waves as radio signals travel at speed of light so using this on (1):

$\lambda=\frac{c}{f}=\frac{3.0\times10^{8}}{104.5\times10^{6}}\approx2.9\,m$

Albert Einstein discovered that energy of electromagnetic waves was quantized in small discrete packages of energy called photons with energy:

$E=hf=(6.6\times10^{-34})(104.5\times10^{6})\approx6.9\times10^{-26}J$

with h the Planck's constant.

6 0

3 years ago

Which takes more energy, going from 0 to 30, or from 30 to 60?

AfilCa [17]

0 to 30 takes more energy

3 0

3 years ago

Which is a good example of a contact force?

lions [1.4K]

A ball hitting a ball so D

7 0

4 years ago

Read 2 more answers

Wendy drives a minibus at a constant speed of 47 Kph. How far can Wendy travel in 3 hours?

garik1379 [7]

Answer:

wendy can travel 147 km in 3 hr if the speed is costant

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3 years ago