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Elena-2011 [213]
3 years ago
15

An object thrown vertically upward with a speed of 6 m/s from a height of h meters takes 10 seconds to reach the ground. set up

and solve the initial-value problem that governs the motion of the object, and determine h. (use g = 9.8 m/s2 for the acceleration due to gravity.)
Physics
1 answer:
nexus9112 [7]3 years ago
3 0
430m. We use the displacement formula x=v*t+1/2*a*t^2. Set upward to be the positive direction, so v=6m/s, a=-g=-9.8m/s^2 (gravity is pulling the object down), and t=10s. The displacement is -h(it's negative because the ending point is the ground, which is negative relative to the starting point). -h=60-4.9*100, h=430 m. 
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Marysya12 [62]
The answer is C. Convection.

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Convection is movement of particles in fluid or gas. As liquid/gas heats up, it becomes less dense and rises, moving away from the heat source. When it rises, it eventually cools down and sinks again. It is warmed up again and the cycle continues. This is why there is a circular motion when convection occurs. 
6 0
3 years ago
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With what speed must a ball be thrown directly upward so that it remains in the air for 10 seconds?
MA_775_DIABLO [31]

Answer:

◆ See the attachment photo.

◆ Don't forget to thanks

◆ Mark as brainlist.

7 0
3 years ago
What is the average acceleration of a car that starts from
MAXImum [283]

Answer:

1.5m/s^2

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4 0
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How much potential energy does a 40n block medicine ball gain when it is lifted 5.m
MAVERICK [17]
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5 0
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Which restricted basin has the coolest temperatures?
sattari [20]

Hudson Bay is the  restricted basin that has the coolest temperatures

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The average annual temperature in almost the entire bay is around 0 °C (32 °F) or below. In the extreme northeast, winter temperatures average as low as −29 °C or −20.2 °F. The region of this basin has very low year-round average temperatures.

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correct answer is Hudson bay

learn more about basin :

brainly.com/question/11871406?referrer=searchResults

#SPJ4

3 0
2 years ago
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