certain 1500 kg car can accelerate from rest to a velocity of 30.0 m/s in 8.0 s. What is the average power in horsepower (hp) must the motor produce in order to cause this accelerati

Q: A champion athlete can produce one horsepower (746 W) for a short period of time. If a 70-kg athlete…

A: To go to the top of a 254 m highmountain, the athlete needs to gaina potential energy = mgh⇒P>E =…

Q: problem 1 Compute the kinetic energy, in Joules, of a 1,600-kg automobile traveling at 50 kph.

A: Since you have posted multiple questions we will solve the first question for you. If you want any…

Q: When 150 J of work is done on a system by and external force of 15 N in 20. seconds, the total…

A: The work done on the system is 150 J by the external force force of 15 N is 20 sec.

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 skier of mass 64 kg is pulled up a slope by a motor-driven cable. (a) How much work is required to…

A: Given:Mass of the skier, m = 64 kgSlope = 30 degreesConstant velocity of the skier upto the slope, v…

Q: A transport truck driving at a constant speed of 83.7 km/hr on a flat stretch of highway must…

A: Given,  Speed of truck, v = 83.7 km/h Force required to overcome friction, F = 2,893 N Power…

Q: a = 1.2 ms? A Smart Car accelerates from rest as shown. 12. If the constant acceleration occurs over…

A: m=Mass of smart car=860 kga=Acceleraiton of car=1.2 m/s2s=Displacement of car=30 m

Q: How efficient is a motor that uses 1600 J of electricity energy to accelerate a 200 kg moped from…

A: Efficiency is defined as the ratio of workdone to energy used. Efficiency =WorkdoneInput energy

Q: A 520-kg dragster accelerates from rest to a final speed of 105 m/s in 390 m, during which it…

A:

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

A:

Q: A 450 kg dragster accelerates from rest to a final speed of 120 m/s in 400 m (about a quarter of a…

A: mass of dragster = 450 kg Initial velocity = 0 m/s final velocity = 120 m/s distance moved = 400 m…

Q: eded to move a 3000 lb car up an 8 degree incline with a constant speed of 50 mph against a…

A: GivenWeight of car, W=3000 lbAngle, θ=8°Speed of car, v=50 mphFrictional force, f=80 lbs

Q: if an 80 kg sprinter can accelerate from a standing start to a speed of 10 m/s in 3 s, what average…

A:

Q: A skier of mass 62 kg is pulled up a slope by a motor-driven cable. (a) How much work is required to…

A: mass of skier (m) = 62 kg distance pulled (d) = 50 m Angle of incline (θ) = 30oConstant speed (v) =…

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

A:

Q: certain 1200kg car can accelerate from rest to a speed of 25m/s ina time of 8.00s. What average…

A:

Q: A car's engine generates 120,000 W of power as it exerts a force of 12,000 N. How long does it take…

A: Force=12000 N Displacement=120 m Work done(W)=Force*Displacement=12000*120 J=1440000 J

Q: I have a motor that is rated for 6000 W. What is the maximum amount of work that the motor can do in…

A: Given data The power of the motor is P = 6000 W The time taken to work is t = 10 s The mass of the…

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

A:

Q: How long will it take a 844-kg car with a useful power output of 48.5 hp (1 hp equals 746 W) to…

A:

Q: A transport truck driving at a constant speed of 83.3 km/hr on a flat stretch of highway must…

A:

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: Procopio is driving a car (m = 1000 kg) at v1 = 11.11 m/s when he stepped on the brakes. The car…

A: Given, mass of the car, m = 1000 kgvelocity, v1 = 11.11 msdistance travel by car before coming to…

Q: A skier of mass 61 kg is pulled up a slope by a motor-driven cable. (a) How much work is required to…

A: Given:Mass = 61 kgDistance to be covered = 55 mAngle = 30oSpeed = 2.1 m/s

Q: A top fuel dragster with a mass of 600.0 kg starts from rest and completes a quarter mile (402 m)…

A: Given: mass of top fuel dragster, m = 600 kg Initial speed, u = 0 (starting from the rest) Final…

Q: Water flows over a section of Niagara Falls at a rate of 1.4 × 106 kg/s and falls 60 m. What is the…

A: Given: The rate of mass of the water=dmdt=1.4×106 kg/s. The height of the fall=h=60 m Acceleration…

Q: A transport truck driving at a constant speed of 87 km/hr on a flat stretch of highway must produce…

A:

Q: The box has a mass of 50 kg and is at rest. When it is pulled with 1000 N it reaches speed of 5m/s.…

A:

Q: A car of mass 920.0 kg accelerates away from an intersection on a horizontal road. When the car…

A: mass of car (m) = 920 kg speed (v) = 12.4 msNet power (P) = 5300 W

Q: A 600 kg dragster accelerates from rest to a final speed of 120 m/s in 400 m (about a quarter of a…

A:

Q: A cheetah can accelerate from rest to 7.4 m/s (about 17 m/h) in 1.1 seconds. How much average power…

A: The correct choice of answer is option (a) i.e. 1300 W

Q: When a car is moving at constant speed, the developed potential is used to overcome the frictional…

A: Given Data: The power developed by the car is P = 50 hp. The velocity of car is v = 24.6 m/s. The…

Q: A skier of mass 71 kg is pulled up a slope by a motor-driven cable. (a) How much work is required…

A:

Q: 2000 pound truck is driving at a constant velocity of 35 miles/h. How much power (in hp) is needed…

A:

Q: Suppose a 975-kg car can produce a useful power output of 42.5 hp (1 hp = 746 W). How long, in…

A: Data Given ,  Mass of the car ( m ) = 975 kg Power of the car ( P ) = 42.5 hp   = ( 42.5 × 746 ) W =…

Q: A hydroelectric generator converts kinetic energy of water into electrical energy. Each second 2264…

A: (A) Total energy available per second

Q: A car accelerates uniformly from rest to 24.2 m/s in 8.46 s along a level stretch of road. Ignoring…

A: The initial velocity of car = 0 m/s.The final velocity = 24.2 m/s.The time taken  by the car to…

Q: The aircraft carrier USS George Washington has mass 1.0 ×108kg. When its engines are developing…

A: Let Pout be the total power output of the engines, P is the power used to push the ship through the…

Q: When its 75-kW (100-hp) engine is generating full power, a small single engine airplane with mass…

A:

Q: A 1631-kg car coasts in neutral down a 2.00 degree hill. The car attains a terminal speed of 20.0…

A:

Q: Procopio is driving a car (m 1000 kg) at v = 11.11 m/s when he stepped on the brakes. The car…

A: mass of the car, m = 1000 kgintial speed, v1 = 11.11 msdistance traveled by car before comming to…

Q: 4. A horse performs 15,000 J of work pulling a wagon for 20 seconds. What is the horse's power A 750…

A: Power is defined as the ability of a body to do work and is given by, PowerP = Work doneWTime takent…

Q: What average mechanical power (in W) must a 60.0 kg mountain climber generate to climb to the summit…

A: solution as

Q: A 700 kg dragster accelerates from rest to a final speed of 120 m/s in 400 m (about a quarter of a…

A:

Q: What average mechanical power (W) must a 76.5kg mountain climber generate to climb to the summit of…

A: Given that: m=76.5 kgg=9.8 m/s2h=405 mt=46 min=2760 sec W=?

Q: If a car (m = 1200 kg) generates 18 hp when traveling at a steady 90 km/h, what must be the combined…

A:

Q: A skier of mass 77 kg is pulled up a slope by a motor-driven cable. (a) How much work is required to…

A:

Q: A new car model claims that a certain 1600 kg car can accelerate from rest to a speed of 25m/s in a…

A: Given  Mass of car, m = 1600 kg  Accelerates from rest at speed of 25 m/s in time 10 sec

Q: What minimum horsepower must a motor have to be able to drag a 450 kg box along a level floor at a…

A: