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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

How does density effect kinetic energy?

The more dense an object is the more kinetic engery it has

How many feet per second if doing 200 mph?

At 200 miles per hour you are traveling 293.3 feet per second.

How fast is 174 mph in kph?

174 miles per hour is 280.03 kilometers per hour.

At 62 miles per hour how many feet per second does a car travel?

To answer this, we need to use unit analysis (a.k.a. dimensional analysis, Factor-Label Method, or the Unit Factor Method) to convert miles to feet and hours to seconds.

Essentially what we're doing is multiplying 62 miles/hour by a value equal to 1, like 60 seconds/1 minute (since 60 seconds and 1 minute express the same time period, the fraction is equal to 1) expressed in the right units to convert the expression to the units we want.

62 mi/hr * (5280 ft/1 mi) * (1 hr/60 min) * (1 min/60 sec)=

(62*5280)/(60*60) ft/sec=

90.9333... ft/sec, or about 91 feet per second.

How do you find distance when given initial velocity final velocity and acceleration?

Here are the velocity equations D= (vi+vf/2)t

D=vit + 1/2 at^2

V^2=Vi^2 + 2ad

V= vi+at

a= (vf-vo)/t According to your question, use V^2=Vi^2 + 2ad v= Final velocity

vi= initial velocity

a= acceleration

d= displacement

What is governed speed?

Governed speed refers to the maximum speed at which a vehicle or engine is electronically limited to operate. This limit is typically set by the manufacturer for safety or regulatory reasons. When the vehicle reaches this speed, the governor system kicks in to prevent the engine from going any faster.

What is scaler quantities and vector quantities?

Scalar quantities are physical quantities that have only magnitude, such as mass, temperature, and time. Vector quantities have both magnitude and direction, such as velocity, displacement, and force. Scalars can be added algebraically, while vectors need to consider both magnitude and direction in addition to standard arithmetic operations.

Can a velocity time graph be parallel to time axis?

Sure, as long as the object is moving at a constant speed.

And by the way ... It's easy to draw a speed/time graph, but

I'm pretty sure it's not possible to draw a velocity/time one.

215 miles per hour in kilometers per hour?

1 mph = 1.609344 kph

Answer: 346.00896 (Multiply 215 by 1.609344)

The formula to convert miles to km

215 mi *

63360 in

1 mi

*

2.54 cm

1 in

*

1 km

100000 cm

=

346.00896 km

How do you increase your reflex speed?

by practicing, you will increase the speed of the decision taken, i don't think you increase the speed of the electric pulse that travels through your body.

here, a script to test your reflex speed:

#!/bin/bash

#una vez que aparezca la señal apretar enter.

echo "una vez que aparezca la señal apretar enter. entre 1 para teminar."

rm /tmp/reflejos.txt &>/dev/null

fin=0

SLEEP=0

while [ "$fin" -ne "1" ]; do

echo "**************SEÑAL**********"

time read fin >> /tmp/reflejos.txt

if [ -z $fin ] ; then

fin=0

fi

while [ $SLEEP -lt 2 ] ; do

SLEEP=`expr $RANDOM / 3000`

done

sleep $SLEEP

done

What is 46.9 in km?

46.9 kilometers is equivalent to 46,900 meters or approximately 29.13 miles.

What is 39 mph in kmh?

39 kilometers per hour is 24.23 miles per hour.