A certain rain cloud at an altitude of 1.75 km contains 3.20 x107 kg of water vapor.  How long would it take for a 2.70 kiloWatt (kW) pump to raise the same amount of water from Earth’s surface to the cloud’s position?  Give your answer in Earth years. the unit is years.

Q: A pendulum of length L = 1.0 meter and bob of mass m = 1.0 kg is released from rest at an angle θ =…

A: The potential energy of the system gets converted to the kinetic energy Substituting the values…

Q: A 2.2 kg rock is held 10 meters above the ground and dropped. Using your knowledge of CONSERVATION…

A: Mass of rock (M) = 2.2 kg  Height of rock (H)  = 10 m  Acceleration due to gravity (g) = 10 m/s2

Q: A certain rain cloud at an altitude of 2.04 km contains 3.20 x 10' kg of water vapor. How long would…

A:

Q: In one day, a 75 kg mountain climber ascends from the 1500 m level on a vertical cliff to the top at…

A: Δh1=First day change in height=2400−1500=900 mΔh2=Second day change in height=1350−2400=−1050…

Q: An electric engine in a 2.0 kg remote-control toy car has a power output of 4.0 W. How fast will it…

A: Energy = Power * time P=power = 4 W time=t=5 s   Energy=E= 4*5=20   mass=m=2.0 kg

Q: A 64 kg human sprinter can accelerate from rest to 10 m/sm/s in 3.2 s . During the same time…

A: P=∆E∆t=0.5mv2f-v2i∆t

Q: A certain rain cloud at an altitude of 1.40 km contains 3.20 107 kg of water vapor. How long would…

A: Altitude of the rain cloud,  Mass of the water vapor,  Power of the pump,  Acceleration due to…

Q: A loaded elevator has a total mass of 29 kg and is lifted to a height of 200 m in a time of 45s.…

A: Given: The mass of the object is 29 kg. The height of the object is 200 m. The time interval is 45…

Q: An (7.55x10^1)-kg man eats a banana of energy content 451 kJ (108 kcal). If all of the energy from…

A: Given data: Mass of man (M)=7.55×101Kg Energy of banana (E)=451 kJ=451×103 J All the energy from…

Q: In 1896 in Waco,Texas,William Crush parked two locomotives at opposite ends of a 6.4-km-long track,…

A:

Q: Each second, 1200 m3 of water passes over a waterfall 100 m high.Three-fourths of the kinetic energy…

A:

Q: A certain rain cloud at an altitude of 1.75 km contains 32000000 kg of water vapor. How many days…

A: The rate of doing work is called power.  Work to lift the water = m g h  where, m is the mass, g is…

Q: A 160-kg object is lifted at a constant speed through a height of 36 m by a crane. If the crane…

A: If a body is lifted up to a height  with a constant speed, the force needed is equal to its weigh…

Q: A certain rain cloud at an altitude of 1.75 km contains3.20 x 107 kg of water vapor. How long would…

A: Using Work-Energy theorem,

Q: 11. Jam consumes 8.4 x 10^6 J of energy per day while maintaining a constant weight. What is the…

A: Given:- Jam consumes 8.4 x 106 J of energy per day while maintaining a constant weight Find:- What…

Q: A warehouse worker uses a forklift to raise a crate of pickles on a platform to a height 2.75 m…

A: Write the given data. m=207 kgh=2.75 mP=1440 W

Q: A pendulum of length L = 1.0 meter and bob of mass m = 1.0 kg is released from rest at an angle  =…

A:

Q: Superman wanted to launch a small rocket using a spring mounted vertically on the ground. He placed…

A:

Q: A pitcher bestows a power of P = 206 W to a baseball of mass m = 0.095 kg for a period of t = 0.28…

A:

Q: The power source for a non-electric grandfather clock is a 12.0 kg weight that hangs by a chain and…

A: The work done by the power source is, W=mgd=12.0 kg9.8 m/s20.750 m=88.2 J The time period is, t=1…

Q: An engine uses 20000 N of force to power a car at an average speed of 5.0 m/s. What is the average…

A: POWER =FORCE×VELOCITY

Q: A force of 3.3 N acts on a 24 kg body initially at rest. Compute the work done by the force in (a)…

A: Part D) The instantaneous power at the end of third second is    P=Wt   =1.13 J3 s    =0.377 W

Q: For exercise, an athlete lifts a barbell that weighs 400 N from the ground to a height of 2.20 m at…

A: In this question we are given that an athlete lifts a barbell that weighs 400 N from the ground to a…

Q: An ordinary light bulb consumes 40 W of power. Through what height could a 1000-N object be lifted…

A: Write the given values with suitable variables. Here, P denotes the power, W denotes the weight,…

Q: What average power is needed to lift a 65-kg vendor vertically upward at a uniform speed of 0.44…

A: Given: The mass (m) of the vendor is 65 Kg. The uniform velocity (v) of the vendor is 0.44 m/s.…

Q: 5. A0.20-kg rocket in a fireworks display is launched from rest and follows an erratic flight path…

A: Mass, m = 0.2 kgInitial velocity, vi = 0 m/sInitial height, hi = 0 mFinal height, hf = 29 mWork, W =…

Q: How much power is required to raise a 30-kg crate a vertical distance of 6m in a time of 4 seconds?…

A: Given, Mass=30kg Distance=6m Time=4sec

Q: A pump lifts water at the rate of 6 m^3/s to a height of 120 m and the friction loss in the pipe is…

A:

Q: 7. A car engine exerts a driving force of 12 000 N. The work done by the car in traveling a distance…

A: Solution of question 7   The driving force, F = 12000 N The car traveling distance, d = 500 m   The…

Q: A 4.4 kg box slides on a horizontal frictionless table and collides with a 1.1 kg box initially at…

A:

Q: A 6.23 kg bundle starts up a 32.9° incline with 146 J of kinetic energy. How far will it slide up…

A:

Q: erson of mass 60 Kg climbs a tall building (height 120 m) at a steady pace in 18 minutes. What is…

A: Given: mass = 60 kg height = 120 m time = 18 minutes Need to find the average power generated by the…

Q: Two blocks with masses m1 = 2kg and m2 = 6kg are tied together by a light rope, weightless and…

A:

Q: Using the picture of the roller coaster in question #12, calculate the work done to move the coaster…

A: Iroduction: In the nature, energy can be found in different forms. According to conservation of…

Q: Each second 1080 m of water passes over a waterfall 103 m high. Three-fourths of the kinetic energy…

A: Given:- Rate of water flow r=1080 m3/ s. Height of the waterfall is h=103 m. Mass of the water…

Q: How much work is done against gravity to fire a 7.2 × 102-kg weather monitor 120 km into the air?…

A:

Q: A 65-kg woman runs up a flight of stairs in 10.0 s. Her net upward displacement is 3.0 m.…

A:

Q: 8. The engine delivers 1.20 × 105 w to a plane fan at w = 2400 rev/ min = 251 rad/s. How much work…

A: Given: power P =1.20*105 Wangular freq ω=251 rad/min

Q: The loaded cab of an elevator has a mass of 1.40 × 10° kg and moves 246. m up the shaft in 21.0 s at…

A: The rate of the doing of the work done by the force at a given instant is called instantaneous power…

Q: A 15 kg crate has potential energy of 225j. How high is the crate lifted? Use g= 9.8m/s^2. DONT…

A: Mass of crate (m) = 15 kg Potential energy (P) = 225 JLet the height upto which crate is lifted = h…

Q: Yosemite Falls in California is about 0.740 km high. What average power would it take for a 73.0-kg…

A: The average power required for a person to hike up to the top of Falls is

Q: The initial velocity of a 2-kg particle is (1 i- 3 j) m/s. After some time, the velocity becomes (4…

A: Dear student The work can be calculated by finding change in kinetic energy of the particle. W= ∆K

Q: The system in the figure is released from rest. The coefficient of kinetic friction between block A…

A:

Q: A 1500 kg sports car accelerates from rest to 95 km/h in 7.0 s What is the average power delivered…

A:

Q: A pump lifts water at the rate of 6 m^3/s to a height of 120 m and the friction loss in the pipe is…

A:

Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.