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Gelneren [198K]
3 years ago
5

A skateboarder is standing at the top of a tall ramp waiting to begin a trip. The skateboarder has

Physics
1 answer:
erik [133]3 years ago
3 0
Potential energy. When it starts moving, that potential energy will start transforming into kinetic energy.
You might be interested in
The time constant of a simple RL circuit is defined as _______. We say that R is the resistance of the circuit and L is the indu
Gennadij [26K]

Answer:

The correct answer will be "\tau =\frac{L}{R}".

Explanation:

The time it would take again for current or electricity flows throughout the circuit including its LR modules can be connected its full steady-state condition is equal to approximately 5\tau as well as five-time constants.

It would be calculated in seconds by:

⇒  \tau=\frac{L}{R}

, where

  • R seems to be the resistor function in ohms.
  • L seems to be the inductor function in Henries.
5 0
3 years ago
65. A length of wire is bent into a closed loop and a magnet is plunged into it, inducing a voltage and, consequently, a current
natulia [17]

Answer:

Resistance of the second wire is twice the first wire.

Explanation:

Let us first see the formula of resistance;

R = pxL/A

Here L is the lenght of the wire, A the area and p is the resistivity of wire.

As we are given that the length of second wire is double than that of the first wire, hence the resistance of second wire would be double.

Since we have two loop in second case, inducing double voltage but as resistance is doubled so the current would remain same according to ohms law

I = V/R

6 0
3 years ago
Read 2 more answers
How does the acceleration due to gravity relate to the mass of an object and the distance from Earth?
Irina18 [472]
The object's mass is irrelevant.
The acceleration due to Earth's gravity is inversely proportional to the square of the object's distance from the center of the Earth.
6 0
3 years ago
A stone dropped from the top of a building reaches the ground with a velocity of 49ms¹. If the acceleration due to gravity is 9.
bezimeni [28]

Explanation:

Given:

v₀ = 0 m/s

v = 49 m/s

a = 9.8 m/s²

Find: t

v = at + v₀

49 m/s = (9.8 m/s²) t + 0 m/s

t = 5 s

6 0
3 years ago
What is the mass of a football player if they are running at 3.6 m/s with a momentum of 62.5kgm/s?
ioda

momentum = mass * velocity

62.5 = mass * 3.6

mass = 62.5/3.6

mass = 17.36 kg

7 0
4 years ago
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