A man pushes a lawn mower on a level lawn with a force of 201 N. If 44% of this force is directed forward, and 65 W of power is expended in pushing the mower 5.6 m, how much time is spent in pushing the mower this distance?

Q: A truck pushes a pile of dirt horizontally on a frictionless road with a net force of 20.5 N for…

A: Given data:  Force (F) = 20.5 N Displacement (d) = 23.6 m Required: The increase in kinetic energy

Q: A man pushes a lawn mower on a level lawn with a force of 213 N. If 53% of this force is directed…

A:

Q: An 80-kg baseball player hits a baseball doing 117 J of work over a distance of 0.59 m. How much…

A: Answer 198.3N

Q: A 1000 Kg truck has a power output of 40. 0 kilo watts. Find the time (seconds) needed to accelerate…

A: Mass of truck, M=1000kg Mass of load, m=100kg Initial speed of truck, u=40m/s Final speed of truck,…

Q: It takes you 4 seconds to drag a 100 kg sofa 2.5 m across the floor while exerting a constant…

A: Time taken to drag the sofa t=4 s The mass of the sofa m=100 kg The distance moved d=2.5 m The force…

Q: When its engine of power 74 kW is generating full power, a small single-engine airplane with mass…

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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:

Q: average power delivered

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Q: A crane lifts a 320 kg crate up a height of 4.5 m. The crane has a power rating of 2000 W. How much…

A: Given data The mass of the crate is given as m = 320 kg. The height up to which the crate lifts is…

Q: A car could accelerate from rest to 60 mi/hr (27 m/sec) using a 302 V8 in a time of 1.2 sec.  If the…

A: solution

Q: How long will it take a 742-kg car with a useful power output of 43.2 hp (1 hp equals 746 W) to…

A: Mass of car (M) = 742 kg  Output power of car = 43.2 hp  Power (P) = 43.2(746W) = 32227.2 W  Speed…

Q: A man pushes a lawn mower on a level lawn with a force of 200 N. If 31% of this force is directed…

A: Given: The force F = 200 N. The power P = 63 W. The distance d = 4.7 m.

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: Suppose you have a 0.693 kg object on a horizontal surface connected to a spring that has a force…

A: It is given that, x=0.0049880339 mA=2x=0.0099760678 mk=177 N/mm=0.693 kgμk=0.0786

Q: How long will it take a 921-kg car with a useful power output of 57.6 hp (1 hp equals 746 W) to…

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: How long will it take a 751-kg car with a useful power output of 57.5 hp (1 hp equals 746 W) to…

A:

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…

A:

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

A: Given: Mass of system, (combined mass of platform and the crate), M = 300 kg Height upto which it is…

Q: a 75.8 kg person runs up a flight of stairs having a rise of 5.3 m in a time of 4.5 s. What average…

A: Given data: Mass (m) = 75.8 kg Height (h) = 5.3 m Time (t) = 4.5 s Required: The average power (P)

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

A:

Q: Wé are creating comething called

A: Given: Mass of cat m=5kg Power P=196 watt.

Q: A 710 kg car drives at a constant speed of 23 m/s.  It is subject to a drag force of 434 N.  What…

A: SOlution: Given that m = 710 kg v =  23 m/s Fdrag = 434 N slope of 2.0°

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

A:

Q: A child pulls on a wagon with a force of 67 N. If the wagon moves a total of 45m in 188 s, what is…

A:

Q: You push a 100 kg wheeled (frictionless) cart across a floor a distance of 13 m by applying a force…

A: Given data:  Mass (m) = 100 kg Displacement (d) = 13 m Force (F) = 10 N Time (t) = 9 s Required:…

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

A: (a)   The work required to pull the skier on the slope can be determined as follows. W=Fsloped=61…

Q: How much power is needed to push a 1100 kg piano up a 4.0 meter ramp into a truck bed that is 1.5…

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Q: Your job is to lift 25.0 kg packaged boxes a vertical distance of 1.0 m from the ground onto the bed…

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Q: A motorist runs out of gas on a level road 210 m from a gas station. The driver pushes the 1,120 kg…

A: The work done is defined as the force applied over the distance , thus it is calculated by using the…

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

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Q: power of the machine

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Q: A curling stone has a mass of 18.0 kg. The stone begins initially at rest on a flat ice surface. It…

A: Write the given values with the suitable variables. m=18 kgF=24 Nd=4 m Here, m, F, and d are the…

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

A:

Q: How long will it take a 816-kg car with a useful power output of 47.2 hp (1 hp equals 746 W) to…

A: Given data: Mass (m) = 816 kg Power output (P) = 47.2 hp 1 hp = 746 W Speed (v) = 19.6 m/s Air…

Q: man pushes a lawn mower on a level lawn with a force of 211 N. If 52% of this force is directed…

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Q: A man pushes a lawn mower on a level lawn with a force of 206 N. If 31% of this force is directed…

A:

Q: A man pushes a lawn mower on a level lawn with a force of 214 N. If 34% of this force is directed…

A: