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ahrayia [7]
2 years ago
12

What angle will give you the maximum range (horizontal displacementon a projectile? ( 3 pts)

Physics
1 answer:
natulia [17]2 years ago
8 0

Answer:

45 degrees

Explanation:

The textbooks say that the maximum range for projectile motion (with no air resistance) is 45 degrees.

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A car travels along a straight road to the east for
Korvikt [17]

Answer: 90 m/s, 70 m/s

Explanation:

Given

A car travels 100 m  east for 4 seconds and then turn around

goes back west for 50m  in 1 sec

Distance traveled in the east is 100\times 4=400\ m

Distance traveled in the west is 50\times 1=50\ m

Total distance=400+50=450\ m

total displacement=400-50=350\ m

total time t=4+1=5\ s

Average speed

\Rightarrow s_{avg}=\dfrac{\text{distance}}{\text{time}}=\dfrac{450}{5}\\\\\Rightarrow s_{avg}=90\ m/s

Average velocity

\Rightarrow v_{avg}=\dfrac{\text{displacement}}{\text{time}}=\dfrac{350}{5}\\\\\Rightarrow v_{avg}=70\ m/s

6 0
3 years ago
A student claims that any object in motion must experience a force that keeps it in motion. Do you agree or disagree? Please exp
Tanya [424]

Answer:

i agree

Explanation:

because it is in motion sooo it has a force of course

if it doesn't experience emotional Force it will stop being in motion

3 0
3 years ago
Read 2 more answers
Place the two thermometers outdoors in different locations. Place one in direct sunlight and the other in shade. Make sure that
Archy [21]

Yes

Explanation:

There would be a difference in temperature between the two places over the time interval.

What is temperature?

Temperature is the degree of hotness or coldness of a body. It is measured  using a thermometer as described in the set up.

Temperature changes is a result of heat transfer.

The sun is the ultimate source of energy for the earth.

It transfers heat to the earth by radiation.

Under a shade, the tree leaves or shed will cut off the radiation preventing it from reaching the surface. This place will be cool and at a lower temperature than expected.

The thermometer furnished with direct sunlight will have a higher temperature. As the radiation from sun hits the surface, it causes it to warm up and increase in temperature. This will cause the thermometer's temperature to also rise.

learn more:

Thermal energy brainly.com/question/914750

#learnwithBrainly

5 0
3 years ago
Sound travels at 343 m/s through dry air. If a lightening bolt strikes the ground 2 km away from you, how long will it take for
Minchanka [31]

Answer:

0.006 km / m/s

Explanation:

divide 343 m/s and 2 km

4 0
2 years ago
Does the total charge change when we charge an object ?
Maurinko [17]
Yea the charge will change because ur adding more force
5 0
4 years ago
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