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Effectus [21]
3 years ago
8

What is the direction of the force of an object moving in a circle?

Physics
1 answer:
Ivanshal [37]3 years ago
7 0

Answer:

The answer is 45 degree angle

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A 92-kg fullback moving south with a speed of 5.8 m/s is tackled by a 110-kg lineman running west with a speed of 3.6 m/s. Assum
MariettaO [177]

Answer:

The speed and direction of the two players immediately after the tackle are 3.3 m/s and 53.4° South of West

Explanation:

given information:

mass of fullback, m_{x} = 92 kg

speed of full back, v_{x} = 5.8 to south

mass of lineman, m_{y} =110 kg

speed of lineman, v_{y} = 3.6

according to conservation energy,

assume that the collision is perfectly inelastic, thus

initial momentum = final momentum

                            P_{ix} = P_{x}'

                          m₁v₁ = (m₁+m₂)v_{x}'

                             v_{x}' = m₁v₁/(m₁+m₂)

                                  = (92) (5.8)/(92+110)

                                  = 2.64 m/s

                            P_{iy} = P_{y}'

                         m₂v₂ = (m₁+m₂)v_{y}'

                             v_{y}' = m₁v₁/(m₁+m₂)

                                  = (110) (3.6)/(92+110)

                                  = 1.96 m/s

thus,

v' = √v_{x}'²+v_{y}'²

  = 3.3 m/s

then, the direction of the two players is

θ = 90 - tan⁻¹(v_{y}'/v_{x}')

  = 90 - tan⁻¹(1.96/2.64)

  = 53.4° South of West

7 0
3 years ago
If the velocity of a body varied uniformly from 10 m s-1 to 25 m s-1
BaLLatris [955]

Answer:

3m/s2

Explanation:

a = (v-u) / t

a = (25 - 10) / 5

a = 15 / 5

a = 3

4 0
2 years ago
Which of these is not an example of work? A. Lifting a bag B. Holding a heavy weight C. Pushing a door open D. Kicking a ball
Oksanka [162]
B. Holding a heavy weight
4 0
3 years ago
The ______ is the time it takes for a wave to complete one cycle.
EastWind [94]
It is called the period 
5 0
3 years ago
Read 2 more answers
The pressure of a sample of gas is measured as 49 torrent. Convert this to atmosphere ​
spin [16.1K]

Answer:

P = 0.0644 atm

Explanation:

Given that,

The pressure of a sample of gas is measured as 49 torr.

We need to convert this temperature to atmosphere.

The relation between torr and atmosphere is as follow :

1 atm = 760 torr

1 torr = (1/760) atm

49 torr = (49/760) atm

= 0.0644 atm

Hence, the presssure of the sample of gas is equal to 0.0644 atm.

5 0
2 years ago
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