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Viefleur [7K]
3 years ago
8

What is the velocity of an object with a mass of 30 kg and kinetic energy of 500 j

Physics
1 answer:
xenn [34]3 years ago
7 0

Answer:

5.8 m/s I believe, if I'm wrong I'm sorry!

Explanation:

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3. What distance will a car, traveling 65 km/hr, cover in 3.0 hrs? (195 km)​
qwelly [4]

Answer:

\boxed{\sf Distance \ travelled \ by \ car = 195 \ km}

Given:

Speed = 65 km/hr

Time = 3.0 hrs

To Find:

Distance

Explanation:

Distance = Speed × Time

= 65 × 3

= 195 km

7 0
4 years ago
A heavy object and a light object are dropped from the same height. If we neglect air resistance, which will hit the ground firs
Maksim231197 [3]

Answer:

None, both objects will hit ground at the same time.

Explanation:

  • Assuming no air resistance present, and that both objects start from rest, we can apply the following kinematic equation for the vertical displacement:

        \Delta h = \frac{1}{2}*g*t^{2}  (1)

  • As the left side in (1) is the same for both objects, the right side will be the same also.
  • Since g is constant close to the surface of the Earth, it's also the same for both objects.
  • So, the time t must be the same for both objects also.
6 0
3 years ago
Pls helppppp my last question!
nexus9112 [7]

Answer:

load

a generator, a light bulb (load) and a closed switch

Explanation:

as explained in the other question, the fan is using generated electric energy to create mechanical movement. as such it is a load on the grid or circuit or net.

and electric power can only flow, if there is a closed (uninterupted) circuit from the power source to a load and back.

any open switch is an interruption of the circuit.

a buzzer is a kind of switch. it closes the circuit (and puts a load on) only when somebody presses it.

by the way, a closed circuit without a load will "destroy" (short circuit) the power source or at least the wires (burn through).

4 0
2 years ago
When is an object moving in uniform circular motion?
ad-work [718]
When its tangential speed is constant
<span>Although the speed of an object that has a uniform circular motion is constant, its velocity is </span>not constant<span>. Not only that, but it is actually changing constantly.</span><span>

</span>
6 0
4 years ago
Read 2 more answers
A circular coil of wire, with N turns of radius a, is located in the field of an electromagnet. The magnetic field is perpendicu
weeeeeb [17]

Answer:

they are going to attract

Explanation:

7 0
3 years ago
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