A 5.42-kg object passes through the origin at time t = 0 such that its x component of velocity is 5.25 m/s and its y component of velocity is −3.24 m/s. (a) What is the kinetic energy of the object at this time?  J (b) At a later time t = 2.00 s, the particle is located at x = 8.50 m and y = 5.00 m. What constant force acted on the object during this time interval? magnitude =        N direction=         ° measured from the +x axis (c) What is the speed of the particle at t = 2.00 s?    m/s

Q: At time ti, the kinetic energy of a particle is41.1 J and its potential energy is 11.9 J. Atsome…

A: The work-energy theorem gives,

Q: A 5.50-kg object is initially moving so that its x-component of velocity is 6.00 m/s and y-component…

A: Given,mass m=5.50kgvx=6m/svy=-1.90m/sv=vx2+vy2 |v|=62+(1.90)2=6.29m/s(a) kinetic energy…

Q: A 5.9 x 10^5 kg United Launch Alliance (ULA) rocket is fired vertically from Cape Canaveral. The…

A: We can use the conservation of energy principle to determine the rocket's height after the first…

Q: There is a 2 car accident. Car 1 (1550 kg) slides on ice at 15m/s and it runs into another car…

A: Mass of car 1 is m1 = 1550 kg Speed of car 1 initially is u1 = 15 m/s Mass of car 2 is m2 = 3250 kg…

Q: What is the velocity of a 1000 kg car with 480,000 J of kinetic energy? Can you determine its…

A: Given data:  Mass (m) = 1000 kg Kinetic Energy (KE) = 480,000 J Required: The velocity (v)

Q: Ship 1 has a mass of 6.50 × 104 kg and a ship 2 is twice as massive. Both have engines that generate…

A: Given Mass of ship1 = 6.50 × 104 kg Mass of ship 2 = 2 × 6.50 × 104 kg Engine force of 9.50 × 106…

Q: A7.9 kg object is moving in the positivex direction. When it passes through x- 0, a constant force…

A: Given Data The mass of the object is:m=7.9 kg The kinetic energy is:ko=24 J The object moves the…

Q: Shown below is a graph of the 1-dimensional force Fyp,x(x), that you exert on a particle of mass 2…

A:

Q: A net force along the x-axis that has x-component Fx=−12.0N+(0.300N/m^2)x^2 is applied to a 3.80 kg…

A:

Q: A car with a mass of 965 kg is traveling in the positive x-direction. At a certain moment, the car…

A:

Q: 2. A 5.75-kg object passes through the origin at time t = 0 such that its x component of velocity is…

A: a) we have given that m=5.75 kg Vx= 5.00 m/s Vy=-3.00 m/s V2=Vx2+Vy2V2=(5)2+(-3)2=25+9=34Now,…

Q: A bus of mass 1000 kg with an initial velocity of 40 m/s starts up a hill and coasts upward with no…

A: Given : Initial Velocity (  u ) = 40 m/s Mass ( m ) = 1000 kg The height achieved when it stops ( h…

Q: A physics student monitors the speed and kinetic energy of a 0.48 kg traveling object. At a time of…

A:

Q: A 0.40-kg block initially at rest on a frictionless horizontal surface is acted upon by a force of…

A: Given data: Mass of the block, m = 0.40 kg Force acted on the block, F = 4 N Distance moved by the…

Q: A sledgehammer of mass m = 1.1 kg falls freely vertically downward from a height of h = 2.2 m at an…

A:

Q: An iceboat is at rest on a frictionless frozen lake when a sudden wind exerts a constant force of…

A: Given:  Force acting on the boat, F = 200 N towards east  distance , d = 8 m at an angle 20 degree…

Q: A 5.70-kg object is initially moving so that its x-component of velocity is 6.00 m/s and y-component…

A: Here, we have to calculate the Kinetic energy and change in kinetic energy

Q: A 0.90-kg block initially at rest on a frictionless, horizontal surface is acted upon by a force of…

A: From the expression for work-energy theorem W=Fdcosθ Here, θ is the angle between the direction of…

Q: A 6.2 kg object is moving in the positive x direction. When it passes through x = 0, a constant…

A:

Q: A 0.25 slug (3.6 kg) object begins moving at 46 mph (20.6 m/s). A force slows it down to 37 mph…

A: Mass of the object is m = 3.6 kg Initial speed of the object is u = 20.6 m/s Final speed of the…

Q: A 0.80-kg block initially at rest on a frictionless, horizontal surface is acted upon by a force of…

A:

Q: A 1.8 kg block is initially at rest on a horizontal frictionless surface when a horizontal force in…

A:

Q: A 7.5-kg object passes through the origin at time t = 0 such the its x component of velocity is…

A:

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.