Answered: A car with the mass 1500 kg 5 pc…

A car with the mass 1500 kg 5 pc accelerated from rest to a speed of 30 m/sec in a time 10 sec. what is the average power must create acceleration. 65.70 kw 29.80 kw 67.50 kw 58.40 kw

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter7: Work, Energy, And Energy Resources

Section: Chapter Questions

Problem 45PE: (a) What is the power output in watts and horsepower of a 70.0-kg sprinter who accelerates from rest...

See similar textbooks

Related questions

Q: 19. What power is needed to move a 13.4 kN car up an 8 degree incline with a constant speed of 80…

A: Given: The weight of the car is 13.4 kN. The frictional force is 360 N. The inclination of the ramp…

Q: 1.30 m/s 3.40 m/s 0.540 m 38.0 m Calculate the potential energy of the 50-kg skater where his speed…

A: Potential energy (v) = mgh m = mass g = gravitational constant h = height

Q: 6. A bullet moves with a velocity of 600 m/s and has gained a kinetic energy of 900 J. Compute its…

Q: The kinetic energy of a car is 8 x 10° J as it travels down the road. How much work is required to…

A: Initial kinetic energy of the car, Ei=8×106J

Q: F231G A single frictionless roller-coaster car of mass m 200 kg tops the first hill with speed vo =…

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: How much kinetic energy does a 2.5 kg toy car have if it is traveling at a constant velocity of 1.7…

A: Given that, Mass of the toy car is m=2.5 Kg and constant velocity is v=1.7 ms

Q: A roller coaster filled with 20 people weighs 2645 kg. It is speeding through the track at 10.74 m/s…

A: Given Data : The total mass of the roller coaster is given as m = 2645 Kg. The speed of the roller…

Q: A 1,000 kg sports car accelerates from 0 to 30 m/s in 13 s. What is the average power of the…

A: Mass of the car,(m)=1000 kg ----(1) [Given] The initial velocity of the car,(vi)=0 m/sec ----(2)…

Q: What average power would a 1500 kg speedboat need to go from rest to 25 m/s in 6 seconds if the…

Q: Q40. Calculate the work done in moving a body of mass 50 kg through a height of 5 m. (g = 10mis) 250…

Q: Football players measure their acceleration by seeing how fast they can sprint 40 yards (37 m). A…

Q: A 950 kg car accelerates from rest with a constant power of 145 hp. Neglecting air resistance, what…

A: Mass of the car=950kgPower =145hp=108126W (1hp=745.7W)Energy gained in…

Q: An advertisement claims that a certain 1,200-kg car can accelerate from rest to a speed of 25 m/s in…

Q: 16. A 1500 kg car accelerates uniformly to a speed of 18 m/s in 4.59 seconds. Find the average power…

A: Given : mass, m = 1500 kg speed, v = 18 m/s Time, t = 4.59 s We have, acceleration , a = vt…

Q: A roller coaster starts from rest at its highest point and then descends on its (frictionless)…

Q: An 80-kg jogger that is initially running at 5.0 m/s uniformly accelerates to 8.0 m/s in a time of…

A: Mass of jogger = 80 kg Initial speed of jogger = 5.0 m/s Final speed of jogger = 8.0 m /s

Q: A 710 kg car is moving on level ground at a constant speed of 23 m/s. It is subject to a drag force…

A: Given data: Force (F) = 500 N Speed (v) = 23 m/s Required: The power (P)

Q: A 56.5-kg person is running and accelerates from 3.67 m/s to 8.29 m/s in 5.67 s. How much power does…

Q: Is the answer I choose the correct one?

A: GivenWeight of the car W = 8000 NInitial velocity u = 12 m/sFinal velocity v = 0 m/sTime taken t =…

Q: Q39. How fast should a person of mass 50 kg run so that his kinetic energy is 625 J? O 5 Km/s O 5…

Q: A 900-kg car cruising at a constant speed of 60 km/h is to accelerate to 100 km/h in 4 s. The…

Q: What is the average power must produce to accelerate car with 1500 kg from rest to the speed 30…

Q: A toy robot powered by an electric motor accelerates from rest to 0.800 m/s in 22.0 ms. The total…

A: Write a given value of this question. v=0.800m/s t=22ms=22×10-3sm=740g=0.740kg

Q: How much work must be done by frictional forces in slowing a 1000.0 kg car from 19.8 m/s to rest?…

A: Given data: Mass (m) = 1000.0 kg Initial velocity (Vi) = 19.8 m/s Final velocity (Vf) = 0 m/s…

Q: Q14) A 55-kg athlete climbs an 8 m long rope in 10 s. His average power output (in W) is A) 431 B)…

A: Mass of athelete = 55 kg Vertical distance = 8 m Time = 10 second

Q: An object with a mass of m = 3.00 kg is traveling with an initial velocity of vi = (5.40î − 1.60ĵ)…

Q: how much power in watts is required to accelerate a 1200 kg car from rest to 16 m/s in 8 seconds…

A: Solution: Given: m = mass of car = 1200 kg u = initial speed of car = 0 m/s v = final speed of car =…

Q: An object whose mass is 2.00 kg is lifted upward a distance of 3.55 m against the pull of gravity on…

A: Given: The mass of the object is 2 kg. The height of the object is 3.55 m. The acceleration due to…

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…

Q: 6.00 × 105 J of work are done on a 2210 kg car while it accelerates from 15.0 m/s to some final…

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: A 95 kg man runs up a 20 m high stairs at a constant speed. If it takes him 8 seconds to reach the…

A: Given The mass of the man is m=95 kg. The height of the stairs is h=20 m. The time is taken by the…

Q: A car's engine generates 80000 W of power as it exerts a force of 6000 N. How long does it take the…

A: Given, Power generates engine of the car, P = 80000 Wforcec exerted by engine, F = 6000 Ndistance…

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: Mass of engine = 2 kg Power output = 4 W Time = 5 seconds

Q: It takes 203 kJ of work to accelerate a car from 20.9 m/s to 29.2 m/s. What is the car's mass

Q: 12. A person runs up a long flight of stairs in 10 seconds. If the person’s weight is 600 N and the…

A: Given data The time taken by the person is t = 10 s. The person weight is W = 600 N. The vertical…

Q: A 1000.0 kg car is moving at 15 kmvh. If a 2000 0 kg truck has 61 times the kinetic energy of the…

Q: How much power does it take for a 60 kg person to run up stairs at a rate of 2.5 steps per second if…

A: Given data: Mass (m) = 60 kg Time (t) = 1 s Number of steps rup up in 1 second = 2.5 Height of each…

Q: 5. Calculate the kinetic energy of a 4.0 g bullet moving at 1000 m/s. A 1000 J B 2000 J 3000 J D…

A: A particle of mass m moving with velocity v, The kinetic energy of the particle is (K.E)=(1/2)*m*v2

Q: 11. A car has a speed of 90 km/h and a mass of 7 000 kg. What is its kinetic energy? 90 km/h = 25.0…

A: 11) Kinetic energy KE =(1/2)mv2 Given, Mass of car, m = 7000 kg Speed, v = 90 km/hr = 25 m/s…

Q: A 1000-kg car is traveling at 20 m/s along a horizontal road when the brakes are applied. The car…

Q: A 72 kg student traveling in a car with a constant velocity has a kinetic energy of 2.0 104 J. What…

A: The expression for the reading of speedometer,

Q: A motorbike engine can develop a power of 90000 W in order to keep a constant velocity of 30 m/s.…

Q: The Burj Khalifa in Dubai is the world's tallest building. The structure is 828 m (2,716.5 feet) and…

A: Given : Mass of tourist = 181 lb = 82.1 kg Height of the building = 828 m Potential energy at…

Q: A 80-kg man runs at a constant velocity of 3 m/s. What is his kinetic energy? 880 J 420 J 360 J 240…

Q: An accelerating object of mass m=4 kg is fired with an initial speed v=3 m/s at a starting point. If…

A: Initial velocity, u =3 m/s Mass, m = 4 kg Final Kinetic energy, K.E.2=380 J

Q: A toy robot powered by an electric motor accelerates from rest to 0.740 m/s in 20.0 ms. The total…

Question

A car with the mass 1500 kg
5 pc
accelerated from rest to a speed
of 30 m/sec in a time 10 sec.
what is the average power must
create acceleration.
O 65.70 kw
29.80 kw
67.50 kw
58.40 kw

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

(a) How long will it take an 850-kg car with a useful power output of 40.0 hp (1hp=746W) to reach a speed of 15.0 m/s, neglecting friction? (b) How long will this acceleration take if the car also climbs a 3.00-m-high hill in the process?
. In the annual Empire State Building race, contestants run up 1,575 steps to a height of 1,050 ft. In 2003, Australian Paul Crake completed the race in a record time of 9 min and 33 S, Mr., Crake weighed 143 lb (65 kg) , (a) How much work did Mr., Crake do in reaching the top of the building? (b) What was his average power output (in ft-lb/s and in hp)?
A 6.50 102-kg elevator starts from rest and moves upward for 3.00 s with constant acceleration until it reaches its cruising speed, 1.75 m/s. (a) What is the average power of the elevator motor during this period? (b) How does this amount of power compare with its power during an upward trip with constant speed?
Integrated Concepts A 75.0-kg cross-country skier is climbing a 3.0° slope at a constant speed of 2.00 m/s and encounters air resistance of 25.0 N. Find his power output for work done against the gravitational force and air resistance. (b) What average force does he exert backward on the snow to accomplish this? (c) If he continues to exert this force and to experience the same air resistance when he reaches a level area, how long will it take him to reach a velocity of 10.0 m/s?
(a) What is the power output in watts and horsepower of a 70.0-kg sprinter who accelerates from rest to 10.0 m/s in 3.00 s? (b) Considering the amount of power generated, do you think a well-trained athlete could do this repetitively for long periods of time?
An 8.0-g bullet has a speed of 800 m/s. (a) What is its kinetic energy? (b) What is its kinetic energy if the speed is halved?
Integrated Concepts (a) What force must be supplied by an elevator cable to produce an acceleration of 0.800 m/s2 against a 200-N frictional force, if the mass of the loaded elevator is 1500 kg? (b) How much work is done by the cable in lifting the elevator 20.0 m? (c) What is the final speed of the elevator if it starts from rest? (d) How much work went into thermal energy?
. An elevator is able to raise 1,000 kg to a height of 40 m in 15 s. (a) How much work does the elevator do? (b) What is the elevator’s power output?
Grains from a hopper falls at a rate of 10 kg/s vertically onto a conveyor belt that is moving horizontally at a constant speed of 2 m/s. (a) What force Is needed to keep the conveyor belt moving at the constant velocity? (b) What is the minimum power of the motor driving the conveyor belt?
In an iconic movie scene, Forrest Gump (https://openstaxcollege.org/l/21ForrGumpvid) runs around the country. If he is running at a constant speed of 3 m/s, would it take him more or less energy to run uphill or downhill and why?
An archer pulls her bowstring back 0.400 m by exerting a force that increases uniformly from zero to 230 N. (a) What is the equivalent spring constant of the bow? (b) How much work does the archer do on the string in drawing the bow?
An electron in a television tube is accelerated uniformly from rest to a speed of 8.4107 m/s over a distance of 2.5 cm. What is the power delivered to the electron at the instant that its displacement is 1.0 cm?