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stiv31 [10]
3 years ago
12

How would you calculate the acceleration of an object?

Physics
1 answer:
prohojiy [21]3 years ago
4 0
The right answer is c. You are going to divide by the velocity or speed by time.
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What happens to the acceleration of a ball as it is dropped off a clift?
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Answer:

become positive

Explanation:

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Calculate the elastic potential energy stored in a spring if it has a force constant of 150 N/m. the spring is extended to a len
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Answer:

6.75J

Explanation:

U=1/2KΔx²

U=0.5* 150*0.30^2

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List two methods by which a community can save water. In your own words, explain how these methods would help to increase the ye
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Conservation and Rain Water Tank. Through conservation, they can save water in their own houses by lessening the use of water in an unimportant purpose; they can turn of the faucet when it is not used; they can use their laundry water to clean the bathroom and there are more. Through Rain Water Tank, they can create this structure in order to collect rain water and store it in the tank then use it afterwards such as in watering the plants.
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In Linear motion the swimmer swims

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2 years ago
A hockey puck moving at 0.4600 m/s collides with another puck that was at rest. The pucks have equal mass. The first puck is def
Sladkaya [172]

Answer:

Speed =0.283m/ s

Direction = 47.86°

Explanation:

Since it is a two dimensional momentum question with pucks having the same mass, we derive the momentum in xy plane

MU1 =MU2cos38 + MV2cos y ...x plane

0 = MU2sin38 - MV2sin y .....y plane

Where M= mass of puck, U1 = initial velocity of puck 1=0.46, U2 = final velocity of puck 1 =0.34, V2 = final velocity of puck 2, y= angular direction of puck2

Substitute into equation above

.46 = .34cos38 + V2cos y ...equ1

.34sin38 = V2sin y...equ2

.19=V2cos Y...x

.21=V2sin Y ...y

From x

V2 =0.19/cost

Sub V2 into y

0.21 = 0.19(Sin y/cos y)

1.1052 = tan y

y = 47.86°

Sub Y in to x plane equ

.19 = V2 cos 47.86°

V2=0.283m/s

7 0
3 years ago
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