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Art [367]
3 years ago
15

The rollercoaster is near the

Physics
1 answer:
Sveta_85 [38]3 years ago
5 0

Answer:

A. It has mostly kinetic energy

Explanation:

Kinetic energy refers to movement. Potential energy refers to height. In this case, the big drop just got over. So, when the coaster is at the bottom, it has more kinetic than potential energy . Potential energy is still present but kinetic is more at the bottom.

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A Nerf Gun fires a dart that has a mass of 0.005 kg straight up in the air.
zaharov [31]

Answer: 2 miles

Explanation:

Because I said so

5 0
3 years ago
When you take your 1900 kg car out for a spin, you go around a corner of radius 53 m with a speed of 13 m/s. If the co-efficient
V125BC [204]

Answer:

Yes, you would be safe without skidding off

Explanation:

In this situation the sum of forces on the car would be:

F_f = m*\frac{V^2}{R}

F_f = 1900*\frac{13^2}{53}

F_f = 6058.5N

And the maximum friction force is:

F_fmax = \mu*N

F_fmax = \mu*m*g

F_fmax = 0.75*1900*10

F_fmax = 14250N

Since the required force is smaller than the maximum force, we can say it will not skid off

8 0
4 years ago
What is the easiest way to add energy to matter.
zubka84 [21]

Answer:

Explanation:

Heat is probably the easiest energy you can use to change your physical state. The atoms in a liquid have more energy than the atoms in a solid.

4 0
4 years ago
Read 2 more answers
What is solubility? (8th grade science)
lutik1710 [3]
The ability to be dissolved, especially in water.
5 0
3 years ago
An account voltage is connected to an RLC series circuit of resistance 5ohms, inductance 3mH, and a capacitor of 0.05f. calculat
Nesterboy [21]

Answer:

12.99 Hz

Explanation:

Resonance is said to occur in an RLC circuit when maximum current is obtained from the circuit. Hence at resonance; XL=XC and Z=R.

XL= inductive reactance, XC= capacitive reactance, Z= impedance, R= resistance

The resonance frequency is given by;

fo= 1/2π√LC

L= 3×10^-3 H

C= 0.05 F

π= 3.142

Substituting values;

fo= 1/2×3.142√3×10^-3 × 0.05

fo= 12.99 Hz

Therefore the resonance frequency of the RLC circuit is 12.99 Hz

8 0
3 years ago
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