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valentinak56 [21]
3 years ago
11

What are the three sources of heat (energy) on earth?

Physics
1 answer:
Aleksandr-060686 [28]3 years ago
3 0
Radioactive potassium, uranium, and thorium. if i’m right can i have brainliest
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What is the metric unit for length??
blondinia [14]
Metric unit of lenght is meter (m.)
4 0
4 years ago
two projectiles are fired at equal speeds but differentangles. one is fired at an angle of 30 degrees and the other at 60degrees
zheka24 [161]

Answer:

a) 30 degree

Explanation:

As we know that time of flight of the projectile depends on the the vertical component of the velocity always

It is given as

T = \frac{2v_y}{g}

now we know that

v_y = vsin\theta

so we will have

T = \frac{2vsin\theta}{g}

since we know that two projectiles are projected at same speed but different angles

so smaller the angle will take smaller time

so it would be 30 degree projectile which will take smaller time

8 0
3 years ago
Asap please,
xenn [34]
The gun and the bullet have much different masses. The forces of each are equal but since f=mass * acceleration, the bullet will have a greater acceleration because its mass is much smaller.
3 0
4 years ago
The Tour de France is the biggest bicycle race in the world. The race lasts for three weeks and is one of the biggest sporting e
avanturin [10]

Answer:

Yellow, green, polka dot and white jerseys

Explanation:

Tour de France is the biggest bicycle race in the world held at France over a period of 23 days. At the end of each day of racing they give to the certain riders FOUR different colored jerseys:

  1. The yellow jersey is given to the overall winner at each stage, this shows the rider who was the best in the previous stage.
  2. The green jersey is given to the best sprinter of each stage,
  3. The polka dot jersey is given to the rider who first reach the crest of designated hills and mountains at each stage.
  4. The white jersey is given to the fastest rider at each stage under 25 years at the beginning of the racing year.

At the end of the competition, the total points are counted and the different jerseys are given to the overall winners.

5 0
3 years ago
Radial tires generally give the best gas mileage. <br> a. true <br> b. false
Ilya [14]
I believe the correct answer is true. Radial tires generally give the best gas mileage. <span>The advantages of </span>radial tires<span> include longer tread life, better steering characteristics, and less rolling resistance, which increases </span><span>gas mileage. Hope this answers the question.</span>
4 0
3 years ago
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