Fundamentals of Physics + time - practice problems
Number of problems found: 367
- Speed of light
Calculate the speed of light if a distance of 3000 km travels in 0.01 s. - An aircraft 2
An aircraft jet engine has a thrust of 80 kN. What impulse is produced in 30 s? - Two pendulums
In 24 s, the first pendulum performed 12 oscillations and the second 16 oscillations. Determine the periods and frequencies of both pendulums. - Stationary 57031
Determine the distance of a stationary satellite from the Earth's surface. - Free fall
The free fall body has gone 10m in the last 0.5s. Find the body speed at the moment of impact. - Midnight 2
It was 8 degrees at nightfall. The temperature dropped 10 degrees by midnight. What was the temperature at midnight? - Efficiency 4072
What kind of work did the mixer with an efficiency of 30% do when it did 4.5 kWh of work? - 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? - The noon-time
The noon-time temperature was 29°F. It was 4°F lower than predicted. Write and solve an equation to determine the predicted noon-time temperature. - 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. - Competitor 78234
The first competitor completed the track in 2h12min11s. How much worse was the other's time of 2h19min3s? - Yesterday 6
Yesterday it was 24°C, and today it is 28°C. By how many degrees has the temperature increased? - Conductor 66234
For how long does a charge of 600 C pass through the conductor at a current of 1 A.? - 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? - Frequency of oscillation
A weight of 1 kg was suspended from the spring, and the spring was extended by 1.5 cm. Determine the frequency of the natural oscillation of the resulting oscillator. - 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?
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