Velocity - math word problems - page 17 of 59
Number of problems found: 1167
- Penny free fall
A man drops a penny from the top of a 500 m tall building. After t seconds, the penny has fallen a distance of s meters, where s(t)=500-5t². Determine the average velocity between 1 s and 5 s. - The temperature 28
The temperature rose 14 °C in 3 1/2 hours. At what rate, in degrees per hour, did the temperature rise? - Storm distance sound
The sound travels at a speed of 1 km in 3 seconds. If the thunder is heard 12 seconds after the lightning, what distance is the storm? - Car kinetic energy
The car weighs 1850 kg and increases its speed from 27 to 81 km/h. How much has its kinetic energy increased? - Starting
The aircraft has a take-off speed of 310 km/h, a take-off weight of 16.5 t, and uses a 2 km take-off runway. Its cruising speed is 880 km/h and cruising altitude is 10 km. a) Determine the aircraft's acceleration during take-off and the take-off time. b) - Airplane wing pressure An airplane flies at a speed of 920 km/h at an altitude of 11 km above the surface of the Earth, where the air density is p = 0.36 kg/m³. Determine the pressure difference above and below the plane's wing if the top of the plane is 10% longer than the bot
- Power during takeoff
The aircraft weighing 3.5 tons will disembark 1 km in 1 minute after takeoff and reach a speed of 290 km/h. Find the average power of its engines during this time. - Laura bike route
Laura went for a new bike ride. In an hour, her father followed her on the same route at 60 km/h speed and overtook her in 1/2 hour. a) Find the length of Laura's route in kilometers before her father catches up with her. b) Determine in kilometers per ho - Pump power
Determine the pump power if: I pour 3 m³ of water from the tank in 120 seconds with a hose. The height of the hose mouth above the tank is 1.5 m. The water's speed from the hose outlet is 20 m/s. - Aircraft engine work The aircraft weighs 61 tons. It climbed from a height of 1000 m to a height of 3000 m while increasing the speed from 170 m/s to 210 m/s. What work did the aircraft engines do?
- Friends' meeting
Friends Jenda and Martin live 13 kilometres apart. Jenda went to Martin by bicycle at an average speed of 18 km/h, and Martin at the same moment set out to meet him on a scooter. Half an hour after setting off, they met. a) Calculate in kilometres per hou - A train
A train can travel 1136 miles in 4 hours. What is the unit rate at which this train travels per hour? Write in miles per hour. - Car opposite speeds
From cities A and B, which are 50 km apart, two cars set off in the same direction simultaneously with average speeds of 80 km/h and 120 km/h. How long will the faster car reach, the slower one, and at what distance from city A? - Janka Katka meeting
Jane and Kate live in villages 16 km away. They agreed to meet precisely halfway. Jane was driving at a speed of 4 km/h. Kate came out 30 minutes later. At what speed must Kate drive to fulfill the agreement? - Relative motion
The boat moves along the river at a speed of v1 = 5 km/h and upstream v2 = 2 km/h What is the current P's and boat L's speed relative to the water? - Stone transfer power
At 80 cm above the road, a person transfers a stone weighing 2 kg parallel to it in a uniform motion along a path of 6 m in 10 s. With what power does it work? - Stork average speed
The stork moves to Africa for the winter for an average of 10 hours a day and flies around 650 km. At what average speed does the stork move? - Driver departure time
What time does the driver have to leave Liberec to be in Jihlava (240 km away) at 11 o'clock if he drives at an average speed of 80 km per hour? - Athlete cyclist finish The athlete ran on a 10 km route at a speed of 5 m/s, 10 minutes after him. A cyclist drove at a speed of 30 km/h. Who will be at the finish first (A or B)?
- Scooter distance directions Kate and John set out on their scooters at the same time. Kate rode at a speed of 4.5 km/30 min, and John rode at a speed of 4 km/20 min. a) How many meters did they travel in 2 minutes if they went in opposite directions? b) How far apart were they when
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