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olya-2409 [2.1K]
3 years ago
15

In this case, a moving golf club hits a stationary golf ball. We can use Newton's second and third laws to explain what happens

upon impact. One statement is INCORRECT.
A)The club and the golf ball experience equal accelerations.
B)The golf ball experiences a greater acceleration due to its smaller mass.
C)The forces on the club and ball are equal in magnitude and opposite in direction
.D)The force experienced by the club head is equal to the force experienced by the golf ball.
Physics
1 answer:
Brrunno [24]3 years ago
4 0
The aswer is b the golf ball experiences a greater acelleration
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A 1500 kg car, initially traveling at 22.0 m/s, hits its brakes and skids to a stop. Determine the work done by friction.
Sedbober [7]

Answer:

<em>The work done by the car is 363 kJ</em>

Explanation:

Work : Work is said to be done when a Force moves an object through a certain distance. Work and Energy are interchangeable because they have the same unit. The unit of work is Joules (J).

Mathematically work done can be expressed as,

E = W = 1/2mv²

W =  1/2mv²................................ Equation 1

Where E = Energy, W = work done, m = mass of the car, v = velocity of the car

<em>Given: m=1500 kg, v=22 m/s</em>

<em>Substituting these values into equation 1</em>

<em>W = 1/2(1500)(22)²</em>

<em>W = 750 × 484</em>

<em>W = 363000 J</em>

<em>W = 363 kJ</em>

<em>Thus the work done by the car is 363 kJ</em>

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3 years ago
A 2 column by 3 row table. Column 1 is titled Planet A with the following entries: Atmosphere is mostly carbon dioxide, Surface
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Answer: earth

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2 years ago
A 50.0-kg bungee jumper steps off a bridge with a light bungee cord tied to her and to the bridge. The unstretched length of the
lina2011 [118]

Answer:

The the analysis for the free fall part should be done under the constant acceleration.

Explanation:

In the given problem, the jumper is falling under the free fall. Since, no external force is acting on the body therefore, the fall will be under the action gravity only. also, the acceleration due to gravity is always constant.

Therefore, the the analysis for the free fall part should be done under the constant acceleration.

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What happens to the resistance of a filament if it is replaced by a shorter<br> wire?
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Answer:the resistance decrease

Explanation:

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A ball is thrown with an initial velocity of u=(10i +15j) m/s. Whan it reaches the top of it trajectory neglecting air resistanc
liraira [26]

Answer:

v = (10 i ^ + 0j ^) m / s,    a = (0i ^ - 9.8 j ^) m / s²

Explanation:

This is a missile throwing exercise.

On the x axis there is no acceleration so the velocity on the x axis is constant

           v₀ₓ =  10 m / s

On the y-axis velocity is affected by the acceleration of gravity, let's use the equation

           v_y = v_{oy} - g t

           v_{y}^2 = v_{oy}^2 - 2 g (y - y_o)

at the highest point of the trajectory the vertical speed must be zero

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therefore the velocity of the body is

          v = (10 i ^ + 0j ^) m / s

the acceleration is

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          a = (0i ^ - 9.8 j ^) m / s²

5 0
2 years ago
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