A motorist driving a 1332-kg car on level ground accelerates from 20.0 m/s to 30.0 m/s in a time of 5.00 s. Ignoring friction and air resistance, determine the average mechanical power in watts the engine must supply during this time interval.

Q: at an amusement park, a swimmer uses a water slide to enter the main pool.the swimmer slides without…

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Q: If a 1300 kg car can accelerate from 30 km/h to 60 km/h in 3.9 s , how long will it take to…

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Q: A 1100 kg car drives up a hill that is 15.2 mm high. During the drive, two nonconservative forces do…

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Q: A motorist driving a 1141-kg car on level ground accelerates from 20.0 m/s to 30.0 m/s in a time of…

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Q: A top fuel dragster with a mass of 500.0 kg starts from rest and completes a quarter mile (402 m)…

A: Answer Given  Mass m = 500 kg Time interval ∆t = 5 s Initial speed vi = 0 m/s Final speed vf = 130…

Q: A hockey puck of mass 0.25 kg is sliding along a slippery lake with an initial speed of 60 m/s. the…

A: Given that Mass m = 0.25 kg Initial speed u = 60 m/s Coefficient of friction μ = 0.030 Final speed V…

Q: An elevator has mass 775 kg, not including passengers. The elevator is designed to ascend, at…

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Q: A tower crane has a hoist motor rated at 155 hp. If the crane is limited to using 71.0% of its…

A: Given:  Crane's hoist motor rate  = 155 hp           Crane is limited to using  71 percent of its…

Q: A 1000 kg car is initially travelling at 26ms26ms along a horizontal road when the driver hits the…

A: The car is having a deceleration. The equation of motion is given by, v=u-at Here, v is the final…

Q: Question 9. The cheetah is one of the fastest accelerating animals, for it can go from rest to 9.4…

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Q: The engine of a Honda Civic has a power of 1.32 x 105 W (176.88 hp).   a) How much work does this…

A: Power is defined as the energy transferred per unit time. Since this energy is consumed in work…

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: A tower crane has a hoist motor rated at 171 hp. If the crane is limited to using 68.0% of its…

A: Given data The rating of the motor is: P = 171 hp = 127566 W The maximum hoisting power is: η = 68 %…

Q: At an amusement park, a swimmer uses a water slide to enter the main pool. If the swimmer starts at…

A: Given Data :initial speed u = 0 msinitial height hi  = 2.55 mlet v denotes the speed at the bottom…

Q: A car climbing up a hill at constant speed of X m/s. Given the car is going up a slope of 5 degree…

A: The mass of the car, The inclination of the plane, The power of the engine, The frictional force,

Q: A 1 kg block is pushed with constant force along a horizontal, frictionless track for a period of 10…

A: Given Data : The mass of the block is given as m = 1Kg. The initial velocity of the block is given…

Q: 1.50 × 10³-kg car starts from rest and accelerates uniformly to 16.9 m/s in 11.9 s. Assume that air…

A: Given Mass of car = m = 1.50 × 103 kg IInitial velocity = u = 0 Final velocity = v = 16.9 m/s Time…

Q: A leaky bucket, which weighs 2 N empty and initially has 10 N worth of water in it, is lifted into…

A: Work done will be equal to change in the potential energy of the bucket. Let the potential energy at…

Q: A crate on a motorized cart starts from rest and moves with a constant eastward acceleration of a =…

A: Given: A crate on a motorized cart starts from rest and moves with aconstant eastward acceleration…

Q: A 1100 kg car drives up a hill that is 16.2m high. During the drive, two nonconservative forces do…

A: Write the given values with the suitable variables. m=1100 kgh=16.2 mWf=-2.91×105 JWe=6.74×105 J…

Q: A sprinter who weighs 670 N runs the first 7.0 m of a race in 1.6 s, starting from rest and…

A: weight of sprinter, W = 670 N  initial velocity of the sprinter, u = 0 m/s  time, t = 1.6 s…

Q: A 1.50 x 10°-kg car starts from rest and accelerates uniformly to 17.9 m/s in 11.3 s. Assume that…

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Q: A 64.0 kg cheetah accelerates from rest to its top speed of 30.7 m/s. HINT (a) How much net work (in…

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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: An elevator has mass 600 kg, not including passengers. The elevator is designed to ascend, at…

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

A: solution as

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: A top fuel dragster with a mass of 500.0 kg starts from rest and completes a quarter mile (402 m)…

A:

Q: A 1.50 ✕ 103-kg car starts from rest and accelerates uniformly to 18.2 m/s in 11.7 s. Assume that…

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Q: A car accelerates uniformly from rest to 29.7 m/s in 8.07 s along a level stretch of road. Ignoring…

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Q: The cheetah is one of the fastest-accelerating animals, because it can go from rest to 32.3 m/s 5.37…

A: The final velocity of the cheetah (Vfinal)=32.3 m/s Taken time (t)=5.37 s.mass of the cheetah (m)=…

Q: A 1.50 × 103-kg car starts from rest and accelerates uniformly to 18.0 m/s in 12.0 s. Assume that…

A: The power output of a device is the work done in a particular time period. Mathematically, we have…