arrange the stars based on their temperature. begin with the coolest star, and end with the hottest star

Answers

Answer 1

Answer:

Answer:

Temperature – cooler stars are red, warmer ones are orange through yellow and white. The hottest stars shine with blue light. Age – As a star ages it produces different chemicals which burn at different temperatures.

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How mud is made summary

Answers

Mud forms after rain and mud is made from rock

A sports car is travelling at a constant velocity v = 5.00 m/s. The driver steps on the gas, and the car accelerates forward. After 10.0 seconds, the driver stops accelerating and maintains a constant velocity v = 25.0 m/s. What was the car’s acceleration?

Answers

The answer is v=2.00 m/s per second for the 10 seconds

A kicker kicks the football with a force of 100 N. What is the force that the football exerts on the kicker's foot?

Answers

As we have all learned from Newton #3, every action has an equal, opposite reaction.

The force that the football exerts on the kicker's foot is equal to the force with which the kicker's foot impacts the ball. (100 N)

Mr. D needs to create a lever with a mechanical advantage of 0.4. If he is going toapply his force 2 meters from the fulcrum, how far away must his load be from the
fulcrum to get the correct mechanical advantage?

Answers

Answer:

The distance of load from fulcrum is 5 m.

Explanation:

Given:

Mechanical advantage, MA = 0.4

Distance of force from fulcrum is, $\textrm{Effort arm}=2\ m$

Distance of load from fulcrum is, $\textrm{Load Arm}=?$

We know that, Mechanical advantage of a machine is the ratio of the effort arm and load arm.

So, Mechanical advantage is given as:

$MA=\frac{\textrm{Effort Arm}}{\textrm{Load Arm}}\n\n0.4=\frac{2}{\textrm{Load Arm}}\n\n\textrm{Load Arm}=(2)/(0.4)=5\ m$

Therefore, the distance of load from fulcrum is 5 m.

1. You are driving south on the 405. You are in traffic so your speed is 35 miles per hour,(35 mi/hr). Calculate your speed in m/sec. Assume that there 1.609 meters in every mile.

2. The Moon takes 27.25 days to make one revolution around the Earth. Calculate how
many seconds it takes for the Moon to make one revolution around the Earth.

Answers

Answer:

1. 15.64 m/s

2. 2,354,400 seconds

Explanation:

1. 1mile is equivalent to 1609metres and 1hour is equivalent to 3600sec.

35mph = (35×1609)/3600

= 56315/3600

= 15.64 m/s

2. Note that 1 day ===> 24hrs

60min ==> 1hr

60sec ===> 1min

Thus 27.25 days = 27.25×24×60×60

= 2,354,400 seconds

The ___________ energy in a mechanical system is determined by adding the potential and kinetic energy together.

Answers

Answer:

Mechanical energy

Explanation:

The mechanical energy in a mechanical system is the summation of its kinetic energy and its potential energy.

Mechanical Energy= Potential Energy +Kinetic energy

Potential energy is defined as the energy stored in a stable object and kinetic energy is defined as the energy of a moving object or energy required in the motion of a object.

Answer:

mechanical energy

Explanation:

i believe thats the answer hope that helps

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