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iris [78.8K]
3 years ago
5

How do you calculate time given the acceleration and distance?​

Physics
1 answer:
mart [117]3 years ago
7 0

Explanation:

acc is velocity over time and the velocity rule is distance over time ..so acc would be distance over time power2

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a race car is traveling at a speed of 80.0m/s on a circular race track of radius 450m what is the centripetal acceleration
slega [8]

Answer:

The answer of this question is =1.258*10-4

4 0
2 years ago
A baseball pitcher throws a ball across home plate. The ball travels 13.40m in 0.357s Determine the
Tanya [424]

Answer: I'm not sure what it needs to be rounded to, but I got 37.53501401 m/s

Explanation: The formula for speed is speed = distance/time. You plug in the distance (13.40) and the time (0.357), then divide 13.40 by 0.357

I hope this helps! :)

4 0
2 years ago
you are sitting on a beach and a wave strikes the shore every 10 seconds. a surfer tells you that these waves travel at a speed
aev [14]

Answer:

50 meters

Explanation:

5 0
3 years ago
Write two characteristics of an educated society ​
almond37 [142]

Answer:

Different and better?

Explanation:

i dont think that helps lol

7 0
3 years ago
An elevator's electric hoist is rated at 8.0 kW and has an efficiency of 90.0%. The hoist lifts the elevator car, mass 1225 kg,
Nataly_w [17]

Part a)

Power rated on the elevator is given as

P = 8 kW

P = 8 \times 10^3 W

now the mass that is lifted above is given as

m = 1225 kg

height of the elevator lifted is

h = 9 m

now the potential energy is given as

U = mgh

U = 1225 (9.8)(9) = 108045 J

now power is defined as rate of energy

P = \frac{W}{t}

8 \times 10^3 = \frac{108045}{t}

t = 13.5 s

so it will take 13.5 s to lift up

Part b)

Electrical energy used

efficiency = 90

0.90 = \frac{Output}{Input}

0.90 = \frac{108045}{Input}

Input = 120050 J

so electrical energy used in this process will be 120050 J

6 0
3 years ago
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