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Anna35 [415]
4 years ago
12

What type of force act on a man at room temperature and in a ground?

Physics
1 answer:
lakkis [162]4 years ago
6 0
Isaac Newton’s second law of motion
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Is acceleration directly proportional to mass, or is it inversely proportional to mass?
finlep [7]

Answer:

The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object

5 0
4 years ago
A ball is launched horizontally from a height of 172 m above the ground. its initial horizontal velocity is 16m/s. how long does
Romashka-Z-Leto [24]

Answer:

172*16 times it and that is your answer

8 0
3 years ago
At Magic Mountain there is a ride in which people stand up against the inside wall of a large cylinder of radius 3 m. The cylind
mafiozo [28]

Answer:

0.1308

Explanation:

To keep the rider from sliding down, then the friction force F_f must at least be equal to gravity force F_p

F_f = F_p

\mu N = mg

where μ is the coefficient, N is the normal force acted by the rotating cylinder, m is the mass of a person and g = 9.81 m/s2 is the gravitational acceleration.

According to Newton's 3rd and 2nd laws, the normal force would be equal to the centripetal force F_c, which is the product of centripetal acceleration a_c and object mass m

N = F_c = a_cm

Therefore

\mu a_cm = mg

\mu a_c = g

The centripetal acceleration is the ratio of velocity squared and the radius of rotation

a_c = v^2/r = 15^2 / 3 = 75 m/s^2

Therefore

\mu = g/a_c = 9.81 / 75 = 0.1308

3 0
3 years ago
Proxima Centauri and the Sun are both main-sequence stars, but Proxima Centauri is a red dwarf and the Sun is a yellow dwarf. Ba
shutvik [7]

Answer:

Yellow dwarfs are small, main sequence stars. The Sun is a yellow dwarf. A red dwarf is a small, cool, very faint, main sequence star whose surface temperature is under about 4,000 K. Red dwarfs are the most common type of star. Proxima Centauri is a red dwarf.

Explanation:

6 0
3 years ago
Read 2 more answers
Properties that describe the appearance of matter are known as what properties
Marina86 [1]
Physical properties is the answer
3 0
3 years ago
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