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Kinematics

Kinematics is the study of how a body moves. This includes linear motion, angular motion, and rotational motion.

3,459 Questions

What is the miles per hour for 1.4 miles in 28 minutes?

1.4 miles in 28 minutes equates to an average speed of three (3) miles per hour.

What is the cause of 1995 jimmy with no heat coming from main vent Defrost is fine as well as floor heat When turned to cold side air flow increases When turned back to heat air flow subside?

I have the identical problem on a 1991 Jimmy. I have replaced the blower motor and flushed the heater coil. I know the vents are working properly because they work when the temperature is selected to cold. I am wondering if there is something under the hood that redirects the aif flow either through the cooling coil or the heater coil based on the position of the temperature control. If so possibly the heater coil (air side) is clogged. I noticed that the heater coil is below the AC coil so it is possible that debris is down in it. I may try to pull it and clean it. Have you tried that?

Two sheres of copper and lead have same massIt is found that the lead spere can be rotated more easily why?

Lead is a softer metal compared to copper, which makes it easier to rotate due to its lower hardness. The difference in hardness between the two metals affects their ability to deform under the rotational forces, leading to the lead sphere being easier to rotate.

What are balanced forces equivalent to?

A balanced group of forces has the same effect as no force at all.

2 automobiles start together from the same place and travel along the same route the first 40 mph and the second 55 mph how many miles further along the route is the second auto at the end of 5 hours?

Every hour the first travels 40 miles and the second 55 miles.

Thus every hour the second will travel 55 - 40 = 15 miles further.

So after 5 hours it will travel 15 x 5 = 75 miles further.

How many miles per hour is 28 miles in 1 hour 38 minutes?

28 miles in 1 hour 38 minutes equates to an average speed of 17.14 miles per hour.

What happens when two objects of different mass is thrown up. which will reach maximum height if both are thrown with same velocity?

If you ignore air resistance, then they will reach their maximum height at the same time. In order not to ignore air resistance, you would need to know their shapes.

What is the area under a jerk vs time graph?

Since jerk is defined as the derivative (the rate of change) of acceleration, in the case of the area under the curve, it is the other way round: the integral (area under the curve) for jerk is the acceleration.

How to calculate the normal force acting on an object held against a wall given mass and force?

The normal force is equal in magnitude but opposite in direction to the force applied against the wall. If the object is held against the wall with a force, then the normal force acting on the object will be equal in magnitude to that force. If the mass of the object is given, you can calculate the force needed to hold it against the wall using Newton's second law (F = ma).

What distance is traveled accelerating from 0 mph to 35 mph?

How fast are you accelerating? If I accelerate very slowly, I can travel about 100 miles before reaching 35 mph. On the other hand, a rocket propelled automobile could achieve 35 mph from standstill within ten feet.

How do you find average speed when time not given?

In that case, it would be good to know what you aregiven. It is possible that you don't have enough information.

What is energy force and motion?

Energy W is the ability to do work, W = -vp + cP where v is motion (velocity/speed) and p=h/w= mv is momentum.

Force is the first derivative of energy,

Force F = XW =[d/dr, DEL] [-vh/w, cP] = [ vp/r -cDEL.P, cdP/dr -DEL vh/w + cDELxP]

F = cp/r[v/c -cos(P), -1P + v/c 1R + sin(P) 1RxP]

Force = cp/r = cp/ct = p/t = mv/t = ma

Motion is the change in position per unit time and is related to Force and Energy.

What characterizes constant velocity motion on a position time graph?

A straight line with a constant slope.

But the reverse is not true. A straight line with a constant slope only means constant speed in the radial direction. The velocity may have components at right angles to the radial direction that are changing.

Does cold colder and coldest mean the same thing?

The words cold, colder, and coldest all contain the root "cold." The word "colder" is the comparative form of the word, which is used to compare the relative coldness of two things. The word "coldest" is the superlative form of the word, which is used to compare three or more things.

If you are moving at 1 knot what is the conversion to miles per hour?

A nautical mile (knot or kt) is approximately 115% of a statute mile. So if you're traveling at one kt, your speed in mph is 1.15. If you're going 10 kts, you're doing 11.5 mph, and if you're going 100 kts, you're doing 115 mph.

A nautical mile is 6076 feet and a statute mile is 5280 feet. Dividing 6076 by 5280 gives us 1.1507575 or...about 1.15, as stated in the above answer.

How long would it take to get to Neptune from earth at 500 mph on march 1?

The answer depends on the relative motion of Neptune. The distance from the earth to Neptune when you set off will not be the same as the distance when you arrive. You would need to calculate the position of Neptune at the arrival time.

This is like, if you are playing a ball game you do not go to where it is but to a point which you and the ball will get to at the same time.

How fast is mach 19?

Mach 19 is 14,462,934 miles per an hour

What are the uses of V-T graph?

The uses of the V-T graph include finding acceleration and describing motion.

If you know what you're doing, you can also use a V-T graph to find the

distance covered during some period of time.