200 kg wagon climbs up a hill of slope 30-degrees in 1 minute at a speed of 36 km/h. How much power is delivered by the engine if the frictional force is 25% of the weight of the car? (Assume g = 10m/s2) a) 25 kW b) 50 kW c) 100 kW d)125 kW
Q: Two blocks of masses M = 2 kg and M2 = 3 kg are connected by a very 7 N. light string passing over a…
A: Given M1=2kg M2=3kg Block M1 moves horizontally Gravity acting downward.
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: A 6-kg block moves along the x-axis. Its position changes with time as x=2+t-4t where x in meters…
A:
Q: A 50-N force is the only force on a 2-kg crate that starts from rest. Consider the instant the…
A: Given data: Force (F) = 50 N Mass (m) = 2 kg Initial velocity (Vi) = 0 m/s Distance (d) = 2 m…
Q: A 1.5 kg hockey puck initially moving at 4.9 m/s slides 12 m along the ice before coming to rest.…
A:
Q: A Helmholtz resonator with a neck length of 3.1 cm and a diameter of 4.09 cm is installed on the…
A: Given, Neck length, l= 3.1cm Volume , V=1.3dm3 Sound speed, c=340m/s Area, A= πd22 Frequency of…
Q: How much work was done on him by gravity?
A:
Q: A man pushes a block of mass M along a frictionles ramp at constant speed to a heighth as shown in…
A:
Q: As a ball falls under the influence of gravity, does gravity do positive work or negative work?…
A: Given data: A ball falls under influence of gravity Required: The work done by gravity is negative…
Q: A crate of mass 10.0 kg is pulled up a rough 20o- incline. The pulling force is 100 N parallel to…
A:
Q: A student pushes a textbook 1.0 m across the table. She uses an applied force of 5.0 N against a…
A: Net work done is the sum of work done by the student and by the force due to kinetic friction.
Q: Two people of the same mass climb the same set of stairs . Person A climbs the stairs in 25s. Person…
A: Since both the persons have to climb the same set of stairs, the work done by both the persons is…
Q: Paraaadiip
A: Number: 2419.372 Units: WExplanation:
Q: A 2400-kg pile driver is used to drive a steel beam Into the ground. The pile driver falls 6.00 m…
A: mass of pile driver (m) = 2400 kg Height of pile driver before coming in contact with top of beam…
Q: Q12: A time-dependent force F = 6t acts on a particle of mass 1 kg. If the particle starts from…
A:
Q: A 30.6 kg child starts from rest at the top and slides down a slide that is 1.68m high. At the…
A: Mass(m) =30 kg Height(h) =1.68m Speed at bottom (vf)=2.29 m/s Speed at top (vi)=0 m/s His…
Q: Q40. Calculate the work done in moving a body of mass 50 kg through a height of 5 m. (g = 10mis) 250…
A:
Q: Three objects with masses m1 = 6.2 kg, m2 = 14 kg, and m3 = 17 kg, respectively, are attached by…
A: Given:Mass of first object is 6.2 kg.Mass of second object is 14 kg.Mass of third object is 17…
Q: 1) A freight plane has a total mass of 4.00 x 105 kg (including cargo). It starts from rest at sea…
A: Given, Mass of freight plane (M) = 4×105kg Initial speed (u)= 0 m/s Initial height(hi) = 0 m (…
Q: A 1200 kg car going 30 m/s applies its brakes and skids to rest. If the friction force between the…
A: Given Data, Question-1 Mass of the Car(m)=1200 kg Initial Speed of the car(u)= 30 m/s Friction Force…
Q: A mother carries a 15 kg child up the stairs to bed. If the stairs have a vertical height of 3.2 m,…
A: The work done by the gravity on the child can be given as
Q: 102 kg man climbs a 3.2 meter high staircase at constant speed. How much work has he done? (=9.8 m/s…
A:
Q: A constant force acts on an object of mass 2.3 kg. The object's velocity is given as, v'(t) = (3.5…
A:
Q: An acorn falls from
A: Kinetic energy = (1/2) mv2 Potential energy = mgh
Q: A robot is capable of lifting heavy objects directly up a ladder. The manufacturer claims the robot…
A: Mass of robot m = 500 kgThe power output of the robot is P = 150,000 W
Q: power
A: Given: Mass of the dragster = 650 Kg initial speed = 0 final speed = 110 m/s Distance= 400 m…
Q: A person picks a 1.00 kg box of macaroni from off the shelf and lowers it 0.77 m into a shopping…
A: Given:- The mass of the box of macaroni is m = 1.0 kg. The distance the person put that box is d =…
Q: 2 people of the same mass climb the same set of stairs. Person A climbs the stairs in 25s. Person B…
A: Part (a) The work done does not depends on the time taken by both the people. The expression for…
Q: A 2 kg rock is thrown upward, with a speed of 5 m/s and returns to the same spot, with the same…
A: Give Mass m = 2 kg Initial velocity is U = 5 m/s in upward direction. Final velocity is V = 5 m/s…
Q: An advertisement claims that a(n) 1600 kg car can accelerate from rest to 26 m/s in 8.4 s. Given:…
A: Given Mass of the car is given as m=1600 kg Initial speed of the car is vi=0 Final speed of the car…
Q: 3. A factory worker pushes a 30.0-kg crate a distance of 4.5 m along a level floor at constant…
A: Given data: The mass of crate is m=30 kg. The distance traveled is d=4.5 m. The applied force is…
Q: 1 a 1550-kg car moving at a constant speed of (900 km/hr) Its takes (16,000W)to keep it on alevel…
A: SOlution: given that m =1550 v = 900 km / hr P= 16,000W angle = 35degree
Q: a child pulls a box of 6kg a distance of 10 meters along a rough horizontal surface with a…
A:
Q: 1. Two blocks are connected by a very light string passing over a massless and frictionless pulley.…
A: Given:- Two blocks are connected with the string and pulley and the weight of the W1= 12 N block is…
Q: the force acts on an object, causing it to move parallel to the force. The graph in the figure shows…
A:
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: A boy is pulling his sister in a wagon. He exerts a force of 40.5 N at an angle of 30 degrees. 1)…
A: Force (F) = 40.5 NAngle (θ) = 30°Displacement (d) = 29.5 mRequired:Work done
Q: A boy with mass m-50 kg walks up h=2 m high stairs at a constant speed in t=4 s. What is the average…
A:
Q: A crate is placed at the upper end of the 2.0 m long ramp that is inclined at 20° to the horizontal…
A: Given data: The length of ramp is L=2 m. The inclination of ramp is θ=20°. The mass of crate is…
Q: A force F = (2i – 7j + 3k) N acts on an object as it undergoes a displacement Ar = (14j + 5k) m.…
A: Work done by system.
Q: The force acting on a particle changes as in the figure. What is the work done by the force on the…
A: Given : Force acting on particle To find : Work done by the force on particle when it moves from…
200 kg wagon climbs up a hill of slope 30-degrees in 1 minute at a speed of 36 km/h. How much power is delivered by the engine if the frictional force is 25% of the weight of the car? (Assume g = 10m/s2)
a) 25 kW
b) 50 kW
c) 100 kW
d)125 kW
Step by step
Solved in 2 steps
