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Oxana [17]
3 years ago
13

Whick of the following quantities are vectors?

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

Velocity and displacement are vectors. (A and D)

Temperature, volume, and height aren't.

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Impulse: A batter applies an average force of 8000 N to a baseball for 1.1 ms. What is the magnitude of the impulse delivered to
fiasKO [112]

The magnitude of the impulse delivered to the baseball by the bat is 8.8 Ns.

<h3>Impulse experienced by objects</h3>

The impulse experienced by any object is equal to the change in the momentum of the object.

The magnitude of the impulse delivered to the baseball by the bat is calculated by applying the following equation.

J = Ft

where;

  • F is applied force = 8000 N
  • t is time, = 1.1 ms

J = (8000) x (1.1 x 10⁻³)

J = 8.8 Ns

Thus, the magnitude of the impulse delivered to the baseball by the bat is 8.8 Ns.

Learn more about impulse here: brainly.com/question/229647

5 0
2 years ago
Please need help on this thank you
lys-0071 [83]
I am pretty sure it is B....
6 0
3 years ago
How does emission spectra occur?
Lerok [7]

The frequencies of light that an atom can emit are dependent on states the electrons can be in. When excited, an electron moves to a higher energy level or orbital. When the electron falls back to its ground level the light is emitted.

hope this helped:)

mark brainliest

4 0
3 years ago
How are the electric field lines around a positive charge affected when a second positive charge is near it? The field lines com
timofeeve [1]
The answer would be D hope it helps and sorry if it is wrong.  :)
3 0
3 years ago
Read 2 more answers
A roundabout in a fairground requires an input power of 2.5 kW when operating at a constant angular velocity of 0.47 rad s–1 . (
natita [175]

Answer:

Explanation:

Since the roundabout is rotating with uniform velocity ,

input power = frictional power

frictional power = 2.5 kW

frictional torque x angular velocity = 2.5 kW

frictional torque x .47 = 2.5 kW

frictional torque = 2.5 / .47 kN .m

= 5.32 kN . m

= 5 kN.m

b )

When power is switched off , it will decelerate because of frictional torque .

5 0
3 years ago
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