A batter hit a 0.145kg baseball straight upward with an initial speed of 25.0m/s. Use the work-energy theorem to calculate the speed of the ball at a height of 20.0m/s above the bat. Ignore air resistance.

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: Brick load. A load of bricks with mass m = 363 kg is to be lifted by a winch to a stationary…

A:

Q: A rock of mass 0.050 kg is thrown upward with an initial speed of 25 m/s. Find the work done by…

A: Given data: Mass of rock is, m=0.050 kg. Initial speed of throwing the rock is, u=25 m/s.

Q: A sled of a mass 30.0 kg is given a kick on a frozen pond,imparting to it an initial speed v…

A: Given Data: The mass is, m = 30.0 kg. The initial speed is, u = 4.0 m/s. The coefficient of kinetic…

Q: A one-dimensional variable force in the x-direction is given as F(x) = 2 x 3.15; where F is in…

A:

Q: The 50-kg crate is at rest when a force P of 400 N acts on it as shown. Using the work and energy…

A:

Q: A 0.479-kg ball is thrown straight downward with a speed of 1.40 m/s from a platform 6.65 m above…

A:

Q: A car of mass m = 1200kg travels a distance A, = 2.2 km. At the beginning of the movement the speed…

A: Given that the car of mass m=1200kg moving initially with velocity v0=10m/s covers a distance…

Q: Some Grade 11 physics students throw a 0.058kg tennis ball from the school roof, 9.0 m above the…

A:

Q: A body dropped from a height H reaches the ground with a speed of 1:2 VgH. Calculate the work done…

A: Given, height = H             velocity v = 1.2gH           work done W = ?

Q: A body of mass 2 kg is initially at rest on a horizontal frictionless plane. It is then pulled 4 m…

A: Given value--- mass = 2 kg. distance = 4 m. Force = 25 N. We have to find--- final speed?

Q: A tennis ball with a mass of 0.05 kg is thrown directly upwards. If it initially has 4.7 J of…

A: Initial kinetic energy = 4.7 Joules acceleration due to gravity = 10 m/s2 mass of tennis ball = 0.05…

Q: A ball is dropped from 16.2 ft above the ground. Assume that air-drag is negligible in this case.…

A: Given data :- height H = 16.2 ft

Q: A physics 11A student, with a mass of 75kg straps on her skis and starts down a 50m high, 29deg…

A:

Q: A box lies on a plane at an angle θ = 15° to the horizontal, with μs = 0.39 and μk = 0.35 between…

A:

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: A0.20 kg ball was thrown vertically upward from a 20-m high building with a speed of 10 m/s. On its…

A: The ball’s mass is, The height of the building is, The ball’s initial speed is, The height above…

Q: A batter hit a 0.145kg baseball straight upward with an initial speed of 25.0m/s. How much work has…

A: concept

Q: A sport car of mass 1.2 t is accelerating at 6.0 m/s^2. How much work is done by the resultant force…

A:

Q: Dr. Frankenstein is pushing a loaded Aldi’s cart through a grave- yard collecting parts for his…

A: F=300 Nx=5 mm=85 kgv=0.8 m/s

Q: A force ?⃗⃗acts in the x-direction, its magnitude given by ?=ax^3 where =2.0N/m^3. Find the work…

A: Equation of force Where

Q: A 25 kg air compressor is dragged up a rough incline from T1 T2 = (8.3î + 4.45) m, where the y-axis…

A: Given:  Mass (m) = 25 kg  r1 = (1.3i^ + 1.3 j^ )m r2 = (8.3i^ + 4.4j^)m  dy = (4.4) - (1.3) dy = 3.1…

Q: s thrown vertically u peed of 12.0 m/s. W

A: Given as, u= 0.48 kg, m= 12.0 m/s.

Q: A 500-kg dragster accelerates from rest to a final speed of 110 m/s in 400 m (about a quarter of a…

A:

Q: A 4.00 kg block is set into motion up a rough inclined plane with an initial speed of v, = 8.60 m/s.…

A: Given m=4.00kg, d=5.00m, θ=20.0⁰ vi=8.60m/s

Q: While hovering, a typical flying insect applies an average force equal to twice its weight during…

A: Mass of insect (m) = 10 g = 0.01 kg weight of insect (w) = m×g = 0.01×9.8= 0.098 N Applied force (F)…

Q: A 1.10 kg snowball is fired from a cliff 12.9 m high. The snowball's initial velocity of 14.0 m/s,…

A:

Q: Suppose a pendulum bob is swinging back and forth. If the highest point is 12.5 cm above the lowest…

A: Recall conservation of mechanical energy KEi+PEi=KEf+PEf

Q: The figure below shows a plot of potential energy U versus position x of a .88 kg particle that can…

A: Given: The mass of the particle is m = 0.88 kg  The particle released at x = 4.5 m The speed of the…

Q: A crate is given a push across a horizontal surface. The crate has a mass m, the push gives it an…

A: Given mass of the crate = m Initial speed =  3.30 m/s Coefficient of kinetic friction = 0.115 We…

Q: MY NOTES ASK A 7.80-g bullet moving at 510 m/s strikes the hand of a superhero, causing the hand to…

A:

Q: A body of mass 2 kg is initially at rest on a horizontal frictionless plane. It is then pulled 4…

A:

Q: A little red wagon with mass 7.00 kg moves in a straight line on a frictionless horizontal surface.…

A:

Q: You drag your 30 kg suitcase 1200 m thru the Chicago airport at essentially constant velocity 2.0…

A:

Q: 60g ball is shot from the top of a cliff at a speed of 20.0 m/s. this ball lands on the ground below…

A: Given Data: The mass of the ball is: m=60 g The initial speed by which ball shot from the cliff is:…

Q: A 50.5-g golf ball is driven from the tee with an initial speed of 51.3 m/s and rises to a height of…

A: Here mass = 50.0 g initial speed = u = 51.3 m/smaximum height attend = h = 20.1 m I haave to…

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: Vo Yma

A: The solution can be given as follows :-

Q: A 60.0 kg skier with an initial speed of 12.0 m/s coasts up a 2.50-m—high rise.  Find her final…

A: skier weight=60.0 kg speed of skier= 12.0 m/s height= 2.50 m coefficient of friction= 0.0800 angle…