A ski tow operates on a 15.0 slope of length 300m. The rope moves at 12.0km/h and provides power for 50 riders at one time, with an average mass per rider of 70.0kg. Estimates the power required to operate the tow.

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: 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: The loaded cab of an elevator has a mass of 1.80 x 10³ kg and moves 225. m up the shaft in 23.0 s at…

A:

Q: 4. In a time t=18.00 s, a 60.0-kg student runs at a steady pace up two flights of stairs whose…

A: Given data:  Time (t) = 18.00 s Mass (m) = 60.0 kg Vertical height (h) = 7.80 m Required: Power…

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 man manages to ride a bicycle (total mass 95 kg), 10 m/s from rest, up a hill 230 m high against…

A: Given:mass,m=95 kghigh,∆h=230 mspeed,v=10 m/sdistace,d=1500 mTime,t=6 minute=360 sec.Now,Total work…

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: From what height would an automobile have to fall to gain the kinetic energy equivalent to what 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: A single force acts on a 3.0 kg particle object whose position is given by x= 3.0t-4.0t^2+.5t^3,…

A: The mass of the particle m=3.0 kg The position of the particle x=3.0t-4.0t2+.5t3 The velocity of the…

Q: A toad with mass of 188 g leaps into the air to catch a fly. If the toad's jump was at an angle of…

A: Given: Toad's mass, m=188 g=0.188 kg Toad's jumping angle w.r.t horizontal, θ=35° Initial velocity,…

Q: A block with a mass of 12.5kg is pulled up a smooth incline that makes an angle of 15.0° with…

A: Given data:   Mass of block (m) = 12.5 kg Inclined angle (θ) = 15.0° Power output (P) = 35 W…

Q: An archer pulls a bowstring back 0.500 m by exerting a force that increases uniformly from zero to…

A: It is given that, x=0.500 mF=250 N

Q: A tower crane has a hoist motor rated at  167 hp. If the crane is limited to using  65.0 % of its…

A: A tower crane has a hoist motor rated at  167 hp. If the crane is limited to using  65.0 % of its…

Q: A fully loaded, slow-moving freight elevator has a cab with a total mass of 1600 kg, which is…

A: Given:-         Total mass  M=1600 kg        Distance to cover  d=39 m        Time taken  t=2.2…

Q: The loaded cab of an elevator has a mass of 4.70 x 10° kg and moves 233. m up the shaft in 21.0 s at…

A: Given Information:- Mass of the loaded cab of the elevator is m=4.70×103 kg Distance h=233 m Time…

Q: What average mechanical power (in W) must a 61.5 kg mountain climber generate to climb to the summit…

A: The mechanical power of the climber can be found as, Here, W and t represent the work-done and…

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: A child pulls on a wagon with a force of 75 N. If the wagon moves a total of 30 m in 2.0 min, what…

A: Given , Force = 75 N Displacement s = 30 m Time = 2 minutes

Q: How much time is required for a elevator to lift a 2000 kg load up 28 m from the ground level, if…

A: Given data: Mass m = 2000 kg Distance from ground level d = 28 m Power P = 13 kW

Q: The loaded cab of an elevator has a mass of 4.80 × 10³ kg and moves 227. m up the shaft in 27.0 s at…

A:

Q: A loaded elevator has a total mass of 28 kg and is lighted to a height of 200 m in a time of 45s.…

A:

Q: Calculate the power output needed for a 952-kg car to climb a 2.00° slope at a constant 33 m/s while…

A:

Q: A warehouse worker uses a forklift to raise a crate of pickles on a platform to a height 3.75 m…

A:

Q: anical power output of a cyclist moving at a constant speed of 5.40 m/s on a level road is 145 W.…

A: Given values:- Constant speed,(v)=5.40 m/sec -----(1) Power,(P)=145 W -----(2) Let us consider (F)…

Q: 17.25) Compute the power required to overcome drag on a  truck with a drag coefficient of 0.75 when…

A: Given DataCd=0.75V=65kmph=18.056m/sT=40°Cw=8fth=12ftA=8×12=96ft2

Q: An advertisement claims that a 1000 kg car can accelerate from rest to a speed of 20 m/s in a time…

A: mass = 1000kg v1= 0m/s;    v2=20m/s t= 5sec. K.E1= 0  (car starts from rest) K.E2= (1/2)* 1000*…

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 object 2 kg is moving in one dimension with a velocity given by  V(t)= 1 / 2 t^2  at t=4 s.…

A:

Q: A concrete block is pulled 8.0 m across a frictionless surface by means of a rope. The tension in…

A: Given data: Displacement (d) = 8.0 m Tension force (F) = 40 N Net work done (W) = 247 J Required:…

Q: A fully loaded, slow-moving freight elevator has a cab with a total mass of 1200 kg, which is…

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: 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: Consider a compact car that is being driven at 88 km/h. The acceleration of gravity is 9.8 m/s. From…

A:

Q: A small motor runs a lift that raises a load of bricks weighing836 N to a height of 10.7 m in 23.2…

A:

Q: Pushing a heavy box of 100 N up along a frictionless slope, the speed decreases at a rate of 1 m/s?.…

A:

Q: What average mechanical power (in W) must a 70.5 kg mountain climber generate to climb to the summit…

A: The expression for the average mechanical power (P) is,

Q: An 80-kg physics professor whose part of his daily exercise is walking through the stairs runs up…

A: Given data: Mass (m) = 80 kg Time (t) = 15 s Upward displacement (h) = 25 m Required: Power (P)

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

A: The mass of the woman is m=60 kg. The height is h=3 m. The time is t=3.50 s. The final speed is vf=2…

Q: A 10,000 W motor operates an elevator weighing 5,000 N. Assuming no frictional losses, how high is…

A: Expression for power P=EPt=mght=Whth=PtW

Q: A 0.5-kg ball is thrown with a speed of 15.6 m/s at an angle 37.7 degrees. How high does it go? To…

A: Given: Mass of the ball m = 0.5 kg. The initial velocity of the ball v = 15.6 m/s. Angle of…

Q: What average mechanical power (in W) must a 61.5 kg mountain climber generate to climb to the summit…

A: According to work energy theorem, the work required to climb the hill is,Substitute the values,

Q: Calculate the power output needed for a 952-kg car to climb a 2.00° slope at a constant 33 m/s while…

A:

Q: A toad with mass of 190 g leaps into the air to catch a fly. If the toad's jump was at an angle of…

A: given , mass of the toad , m = 190 g =0.190 Kg Angle with respect to the horizontal , θ = 37∘…