Velocity - high school - practice problems
Number of problems found: 260
- Wavelength
Calculate the wavelength of the tone frequency 11 kHz if the sound travels at speeds of 343 m/s. - Free fall
The free fall body has gone 10m in the last 0.5s. Find the body speed at the moment of impact. - 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? - Weighing 12481
A stone weighing 200g falls in a free fall for 3 s. Find its kinetic energy on impact. - Free fall
How long does the stone fall freely into a depth of 80m? What speed will it hit the bottom of the abyss? - 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! - Acceleration
Describe how the cyclist's acceleration changes on individual sections (sections AB plane, BC turn, CD plane, DA turn), which describes the trajectory in the shape of an eight at a constant speed. The speed on the cyclist's tachometer is constant. - Hydrostatic 80798
Calculate the depth of water at which the hydrostatic pressure is equal to 100870 N/m². We only consider hydrostatic pressure. - Flywheel
The flywheel turns 450 rev/min (RPM). Determine the magnitude of the normal acceleration of the flywheel point, which is 10 cm from the rotation axis. - Molecules 45441
The mean square velocity of the gas molecules is 1200 m/s. What pressure does this gas exert on the vessel wall when its density is 0.03 kg/m³? - Free fall
How long and at what speed does the body fall to the ground during a free fall from a height of 35 m? - Six speeds
A drilling machine is to have six speeds ranging from 50 to 750 revolutions per minute. If the speed forms a geometric progression, determine their values. - Vertically 65984
We threw the stone vertically upwards at a speed of v = 15m. s-1. How long will it be at a) 10 m, b) 12 m? - Subjected 37351
The football player kicked a 400 g ball with a force of 480 N during a penalty. How fast did the ball again if it was subjected to an impact force of 0.01 s? - North + west
Find the magnitude of the resultant of the given vectors: vector 1:2 m/s, north vector 2:7 m/s, west - Train 2
The train slowed down from 90 km/h to 72 km/h in 5 seconds. How long does track travel? - Seconds 15853
The body landed on Earth in 9 seconds. Find from what height it fell and what its speed was on impact. - Before 14221
Peter and Eve read the same book. Petra read 14 pages a day, so she read it a day before Eva, who read 12 pages a day. How many pages did the book have? - The truck
What is the mass of a ten-wheeler truck if it has reached a momentum of 567 kg.m/s while it moves at 40m/s? - The position
The displacement function S=t³-2t²-4t-8 gives the position of a body at any time t. Find its acceleration at each instant time when the velocity is zero.
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