The motor in a 1590-kg Nissan Leaf electric car supplies energy to the wheels at the rate of 80.0 kW. (a) What is the maximum speed for the Leaf when it’s ascending an 11.8◦ slope using only its electric motor? (b) What is the power output of the motor in horsepower? Neglect energy loss due to air resistance and frictional forces.

Q: The loaded cab of an elevator has a mass of 4.70 × 103 kg and moves 191. m up the shaft in 24.0 s at…

A: Calculate the constant speed at which the elevator is moving. v=Dt=191 m24 s=7.958 m/s Here, v is…

Q: An accelerating object of mass m=20 kg is fired with an initial speed v;=3 m/s at a starting point.…

A: Given: mass of an object, m = 20 kginitial speed, vi = 3 m/sfinal kinetic energy, KEf = 122 J

Q: ohn, of mass 82.4 kg can do work for about 2.0 minutes at the rate of 1.0 hp. How long will it take…

A: Given data: Mass (m) = 82.4 kg Power (P) = 1.0 hp Height (h) = 12.0 m 1 hp = 746 watts Required:…

Q: The loaded cab of an elevator has a mass of 3.0* 103 kg and moves 210 m up the shaft in 23 s at…

A: Given:  mass, m = 3 x 1000 = 3000 kg  distance, s = 210 m  time, t = 23 s

Q: Promotional material for the 2020 C8 Chevrolet Corvette boasts a ''490 hp engine" and a "zero to 60…

A: Given data: Initial speed of the car, u=0 Final speed, v=60 mph = 26.82 m/s Mass of the car,…

Q: .An advertisement claims that a certain 1300 kg car can accelerate from rest to a speed of 25 m/s in…

A: Please see the answer below

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: 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: What average power does a 1,565 kg car need to go from 0 to 12.6 m/s in 6.86 seconds? Assume a…

A:

Q: A certain automobile having mass 1000 kg climbs an inclined road with a constant 32 m/s speed. If…

A: Mass of the car is m = 1000 kg velocity of the car is is v = 32 m/s Angle of inclination of the road…

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

A:

Q: A car of mass 1200 kg travels along a horizontal road at a speed of 10 ms'. At the time it begins to…

A: GIVEN THAT    m =  1200 kg      speed = 10 m/s      acceleration = 0.2 m/s2    resistive force = 160…

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 car with a mass of 900.0 kg climbs a 20.00° incline at a steady speed of 60.00 km/hr. If the total…

A: The steady speed of a car is, v=60 km/hr=16.67 m/s The total resistive or dissipative force acting…

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: When its engine of power 76 kWkW is generating full power, a small single-engine airplane with mass…

A: Given:               Engine Power , P = 76 kW = 76×103W                                mass  M= 710…

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: The loaded cab of an elevator has a mass of 3.0 × 10³ kg and moves 210 m up the shaft in 23 s at…

A:

Q: A 40.0 kg jogger runs up the slope described in the fiqure. She maintains a constant speed of 4.00…

A: Given  Mass of jogger(m) = 40Kg Speed (s) = 4m/s

Q: A 135g Frisbee is thrown from a point 1.05 m above the ground with a speed of 12.00 m/s. When it has…

A: Given m=135g H1=1.05m H2=2.50m V1=12.00m/s V2=10.4831m/s   Work done on the Frisbee can be defined…

Q: If a car generates 17.3 hp when traveling at a steady 81.3 km/hr, what must be the average force…

A:

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: An accelerating object of mass m=5 kg is fired with an initial speed v;=9 m/s at a starting point.…

A:

Q: How much work must you do to push a 13 kgkg block of steel across a steel table at a steady speed of…

A: Given: The mass of the block is 13 kg. The constant speed of the object is 1.3 m/s. The coefficient…

Q: A 1.00 x 10*3 kg elevator car carries a maximum load of 8.00 x 10*2 kg. A constant frictional force…

A:

Q: A belicopter with mass m 3250 kg is cruising at a speed of 56.9 m/s at an altitude of 185 m. What is…

A:

Q: A 26 kg object is acted on by a conservative force given by F = (-2.9)x + (-5.9)x2, with F in…

A:

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: Suppose a 825-kg car can produce a useful power output of 45.5 hp (1 hp = 746 W). How long, in…

A: a)Calculate the work done using work energy theorem.

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: To pass a slow-moving truck, you want your fancy 1.30 * 103@kg car to accelerate from 13.4 m>s…

A: Let E1 and E2 denote the initial and final kinetic energy of the car, E denote the change in kinetic…

Q: Q.2 A 1.00 x 10*3 kg elevator car carries a maximum load of 8.00 x 10*2 kg. A constant frictional…

A:

Q: What minimum horsepower must a motor have to be able to drag a 380 kg box along a level floor at a…

A: The frictional force acting between box and floor is, F=μmg             (I)…

Q: A skier of mass 70.0 kg is pulled up a slope by a motor drivencable. (a) How much work is required…

A: (a) The vertical distance travelled by the skier is

Q: A 55-kg marathon runner runs up the stairs to the top of Taguig’s 318-m Grand Hyatt Manila, the…

A: Mass of the runner M=55 kg The height reached h=318 m The time taken t=20 minutes=20×60 s=1200 s…

Q: 50.0kg marathon runner runs up the stairs to the top of a 443m tall tower. To lift herself to the…

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: As part of a charity fund-raising drive, a Chicago marathon runner of mass 50.0 kg runs up the…

A: Given data:  Mass of runner (m) = 50.0 kg Height of building (h) = 443 m Time (t) = 15.0 minutes…

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 power is needed to move a 13.4 kN car up an 8 degree incline with a constant speed of 80 kph…

A: Given: Mass of car, m = 13.4 kN = 1366.42 kg Angle = 8 degree Speed, v = 80 kph = 80 X 5/18 = 22.22…

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

A:

Q: What is the power output for a 60.0 kg person who runs up a 3.00 m high flight of stairs in 3.50 s,…

A:

Q: An initially (t = 0) stationary 2.0 kg object accelerates horizontally and uniformly to a speed of…

A: Solution