Fundamentals of Physics + velocity - practice problems
Number of problems found: 388
- Speed of light
Calculate the speed of light if a distance of 3000 km travels in 0.01 s. - Free fall
The free fall body has gone 10m in the last 0.5s. Find the body speed at the moment of impact. - Zendaya
Zendaya walked 6 miles in 5 hours. What was her walking rate in hours per mile? - The change
The change in momentum of an unknown object was 56 Ns. What was the force applied when it moved a distance of 2m in 10 seconds? - Escaping 14483
The rocket develops a higher speed, which is: a) higher velocity of escaping gases b) higher mass of escaping gases c) greater momentum of escaping gases d) shorter rocket length - Hours 4443
Lada drove 27 km in 3 hours. How many km will he go in 7 hours? - Rotary motion
Find the orbital time, rotational frequency, and angular rate of the second and minute hands on the watch. - Wave parameters
Calculate the speed of a wave if the frequency is 336 Hz and the wavelength is 10 m. - Temperature 25901
Calculate the speed of sound in the air a) at a temperature of t = 20 °C b) at a temperature of t = 27 °C - The temperature 35
The temperature was -8 degrees at 10:00 in the morning. If the temperature rises 3 degrees per hour, what will the temperature be at 2:00 in the afternoon? - Time clock
What are the angle of the hour hand and the minute hand if it is 0:40? - The run
On the school playground, the student ran a 60 m track in 9.5 s. What is the average speed of his run? - A cold front
At 1:00 PM, the temperature was 46 degrees. Then, a cold front moved in and decreased the temperature by 12 degrees per hour. The temperature at 6:00 PM = _____ degrees. - Free fall
How long does the stone fall freely into a depth of 80m? What speed will it hit the bottom of the abyss? - Cyclist's 80365
The cyclist covered a distance of 143 km in 5.5 hours. What was the cyclist's average speed? - Acceleration of point
The mass point moves evenly along a circle with a radius of 1.2 m at an angular velocity of 25 rad/s. Determine the frequency, period, and centripetal acceleration! - A molecule
A molecule travels with a speed of 8100 centimeters per minute (cm/min). How far would the molecule travel in centimeters in 3.19 seconds? - The temperature 28
The temperature rose 14°C in 3 1/2 hours. At what rate, in degrees per hour, did the temperature rise? - Earth rotation
How fast is the place on the Earth's equator moving if the Earth's radius is 6378 km? - Hydrostatic 80798
Calculate the depth of water at which the hydrostatic pressure is equal to 100870 N/m². We only consider hydrostatic pressure.
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