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PilotLPTM [1.2K]
4 years ago
9

According to Newton’s second law of motion, force equals mass times acceleration (F = ma). Given that a car has a mass of 3,000

kg, how much force would be needed to accelerate it 2 m/s²?
A
1,500 N

B
6,000 N

C
3,000 N

D
1,000 N
Physics
1 answer:
jek_recluse [69]4 years ago
6 0

Answer:

B

Explanation:

3000 x 2 = 6000

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Answer:

709.93 kg/m³

Explanation:

Density: This can be defined as the ratio of the mass of a body to the volume of that body. The S.I unit of density is kg/m³

From the question above,

D = m/v.............................. Equation 1

Where D = density, m = mass, v = volume.

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Since the tank is cylindrical,

v = πr²h........................ Equation 2

Where r = radius of the the tank, h = height of the liquid in the tank

Substitute equation 2 into equation 1

D = m/(πr²h)............... Equation 3

Given: m = 14014 kg, r = 1.35 m, h = 3.45 m, π = 3.14

Substitute into equation 3

D = 14014/(3.14×1.35²×3.45)

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A 50.0-turn circular coil of radius 5.00 cm can be oriented in any direction in a uniform magnetic field having a magnitude of 0
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Answer:

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We need to find the magnitude of the maximum possible torque exerted on the coil. The magnetic torque is given by :

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Answer:

Please see answer in explanation

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