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 accelerate from 60 km/h to 95 km/h ? Assume the power stays the same, and neglect frictional losses. t2 =

Q: A 1.50 x 103-kg car starts from rest and accelerates uniformly to 19.2 m/s in 11.7 s. Assume that…

A: Kinematics.

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 daredevil on a motorcycle leaves the end of a ramp with a speed of 34.4 m/s as in the figure…

A: Initial speed u = 34.4 m/s Final speed v = 32.0 m/s Maximum height = h

Q: 4. This Olympic skeleton athlete slides down an icy track head first. The track has many twists and…

A: We are given an athlete sliding down the track. We are given that there is friction and air…

Q: An elevator weighing 3000N ascends at a constant speed of 8.omis. How much power must the motor…

A: Given : Force (F) = 3000 N Speed (v) = 8.0 m/s

Q: Every year, there is a foot race to the top of the Empire State Building. The vertical distance…

A: The power is the rate of doing of work and it is given by-      where the work done is the product…

Q: A 0.6 kg box moves up a ramp with some initial speed. It reaches a vertical height of 3.5 m before…

A: Solution: Given: m = mass of box = 0.6 kg g = gravitational acceleration = 10 m/s2 h = height of…

Q: 3. A record was set for stair climbing when a man ran up the 2400 steps of the Empire State Building…

A: Given:-  A record was set for stair climbing when a man ran up the n = 2400 steps. The time taken to…

Q: Some gliders are launched from the ground by means of a winch, which rapidly reels in a towing cable…

A: Write the given values with the suitable variables. m=179 kgu=0 m/sv=25.6 m/sd=59.5 m Here, m, u, v,…

Q: Quick Start: A car accelerates from 0 to 43.2 m/s in 4.67 s. The mass of the car is 2.04e+03 kg. (a)…

A:

Q: A metal box having a mass of 100.0kg is pulled along a level plane, at uniform speed, by a…

A: Answer:-  Given Mass of a metal box(m) = 100.0 kg  At uniform Speed by a horizontal rope applying a…

Q: 30. John is riding an elevator. If John notes that the elevator travels upwards with a speed of 0.23…

A: mass (m)=75 kg acceleration due to gravity(g)=9.8 m/s2 speed(v)=0.23 m/s

Q: A student, starting from rest, slides down a water slide. On the way down, a kinetic frictional…

A: Given u=0 (initial velocity at the top of the slide) m=79 Kg (mass of student) h=11.6m (height of…

Q: When an automobile moves with constant speed down a highway, most of the power developed by the…

A: Given:Power developed by an engine = 190 HP.Speed of car = 31 m/s

Q: The power output (in W) needed from a motor to lift a mass of 1.5 x 104 Kg, 25 m in 6.0 s at…

A: The mass is The displacement of the mass is The lifting time is

Q: How long will it take a 844-kg car with a useful power output of 48.5 hp (1 hp equals 746 W) to…

A:

Q: You lift a book at a constant speed. Which statement is true about the work W done by your hand and…

A: Work done in lifting a book

Q: A (6.40x10^1) kg woman runs up a flight of stairs in 5 s. Her net upward displacement is 5 m. What…

A:

Q: If a 1300 kg car can accelerate from 35 km/h to 60 km/h in 3.6 s, how long will it take to…

A: The objective of the question is to find out the time it would take for a car to accelerate from 60…

Q: Same set-up for the conservation of energy was performed. The 5-g marble covered a horizontal…

A: Given: mass of the marble: m=5 g=0.005 kg Elevation of ramp: h=15 cm=0.15 m Horizontal distance…

Q: A 1400 kg car starts from rest and accelerates uniformly to 19.5 m/s in 20s. a)Find the average…

A:

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: The problem is based on the concept of power. Power is the rate of doing work. To solve this, we…

Q: If a 1300 kg car can accelerate from 35 km/h to 60 km/h in 3.6 s, how long will it take to…

A: The objective of the question is to find out the time it will take for a car to accelerate from 60…

Q: A car (m=1000 kg) is initially moving at a speed of 20 m/s (~45 mph) when the driver hits the brakes…

A: Work done is equal to change in kinetic energy W=∆EK=12mvf2-vi2=121000 kg0-20 ms2=-200000 J=-200 kJ

Q: 3. A record was set for stair climbing when a man ran up the 2500 steps of the Empire State Building…

A:

Q: Power of the Human Heart. The human heart is a powerful and extremely reliable pump. Each day it…

A: Given data:  Volume (V) = 7500 L = 7.5 m3  Time taken (t) = 1 day Height (h) = 1.6 m Density of…

Q: A 1200 kg car can accelerate from 30.0 m/s to 50.0 m/s in 10.0 s. Neglecting friction and air…

A: Given: The mass of the car is 1200 kg. The initial speed of the car is 30 m/s. The final speed of…

Q: A puppy lifts up his favorite toy with his mouth performing 500 J of work.in 1.5 seconds. What is…

A: given -         work done by puppy = 500 J       Time taken  = 1.5 sec

Q: When an automobile moves with constant speed down a highway, most of the power developed by the…

A: The objective of the question is to estimate the total friction force acting on the car when it is…

Q: What is the maximum number of passengers that can ride in the elevator? Assume that an average…

A: mass of elevator = M = 620 Kg vertical distance = h = 20 m time = t = 15.1 s Power = P = 45 hp = 45…

Q: A 1,452 kg sports car accelerates from rest to 27.1 m/s in 12.3 s. What is the average power output…

A: Given data: Mass of sports car is, m=1452 kg. Initial speed of car is, u=0 m/s…

Q: A 1.50 x 10³-kg car starts from rest and accelerates uniformly to 16.6 m/s in 12.3 s. Assume that…

A:

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

A:

Q: A 665 kg motorcycle starts from rest on a horizontal road and gains a speed of 22.0m/s in 26.2s.…

A:

Q: A 95 kg man runs up a 20 m high stairs at a constant speed. If it takes him 8 seconds to reach the…

A: Given The mass of the man is m=95 kg. The height of the stairs is h=20 m. The time is taken by the…

Q: A person in good physical condition is able to produce 100 W of useful power for several hours at a…

A:

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: