Fundamentals of Physics - practice problems
Number of problems found: 597
- The pilot
The pilot is on a mission with 160 liters of fuel. The distance between the main base and operation area is 2 hours. The distance between the main base and backup base is 1 hour. Assume: - Aircraft fuel consumption is 10 lt/h. - Minimum fuel after landing
- A fuel
A fuel tank has 28 gallons of fuel. One gallon of fuel weighs 7 1/10 pounds. How many pounds of fuel is in a full tank?
- A particle 2
If the motion of a particle is described by the relation a(t) = 7t³ + 2 m/s², and the initial velocity of the motion is zero when t = 0 and the distance is 2m, t = 0.5s. Determine the velocity and displacement when t = 10s.
- Electric charge
The electric current in a microprocessor circuit is 0.230 μA. How many coulombs pass a given point in the circuit in 1.50 ms?
- A speedboat
A speedboat goes 900 km against a current of 25 km/hr. It took 10 minutes longer for his trip than it would have taken it to travel with the current. What is the speedboat’s speed in still water?
- Water 63
Water was heated at the rate of 6°c per minute for 14 minutes. It then cooled at the rate of 8°c per minute. What will be its temperature after 24 minutes if its original temperature was 40°c?
- Measured 74724
How long would a tourist walk the route if he measured 24.9 cm on a map with a scale of 1:25000? The marching speed is 4 km/h.
- A boy 2
A boy dropped a coin from top of the dry well and a sound was heard by him 6 seconds later. Considering this as a free-fall object, how deep is the well? The speed of sound in air is approximately 343 m/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
- Transform 4
Transform to a positive angle in standard position: 24° west of north
- The distance 2
The distance between two ports M and N is 2100km. If two ships travel towards each other with one ship leaving port M at 20km/h and at the same time another ship from port N travel 15km/h. (I) How long will it take the two ships to meet. (ii) how far will
- What power 2
What power has a pump output to move 4853 hl of water to a height of 31 m for 8 hours? Comparing the power generated by the pump vs. the power generated by the motor, which is more efficient? Which, the pump or the motor generates the more pollution if fo
- A Ferris wheel
A Ferris whee with a diameter of 100 feet makes 5 revolutions every 8 minutes. The base of the wheel is 4 feet above the ground. Your friend gets on at 3PM sharp. a) wrote an equation to express the height in feet of your friend at any given time in secon
- Impulse, force and momentum
A 50 kg mass is sitting on a frictionless surface. An unknown constant force pushes the mass for 2 seconds until the mass reaches a velocity of 3 m/s. What is the value of the unknown force? b) through your solutions prove that Impulse and momentum will h
- The change
The change in momentum of an unknown object was 56N.s. What was the force applied when it moved a distance of 2m in 10 seconds?
- Yesterday 6
Yesterday it was 24°C and today is 28°C. By how many degrees has the temperature increased?
- The level 2
The level of liquid in a thermometer is 32 ˚C lower than the boiling point of water. What is the thermometer reading? A. 36˚C B. 48˚C C. 52˚C D. 68˚C
- Buses A and B
Bus A leaves Worcester at 08:00 and travels north along the N1 at 50 km/h. Bus B leaves Worcester at 10:00 along the same route at 70 km/h. At what time will bus B pass bus A?
- Calculate 73134
The wooden prism weighs 5 kg and has a density of 700 kg / m³. Calculate the volume of the wooden prism.
- The truck
What is the mass of a 10 wheeler truck if it has reached a momentum of 567kg.m/s while it moves at 40m/s