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Solve the all parts of following question:
Question: A 1000 kg car is on a level floor where the coefficient of friction is 0.8.
Part A: If a child comes along and pushes on the car with a force of 20N, what is the force of static friction keeping the car in place against the child's push?
Part B: A two truck comes along and pulls on the car. What force must the truck exert to move the car?
I need help to find what force the truck must exert to move the car.
An energy storage system based on a flywheel (a rotating disk) can store a maximum of 4.2 MJ when the flywheel is rotating at 17,500revolutions per minute
A student drops two metallic objects into a 120 g steel container holding 150 g of water at 25°C. What is the mass of the aluminum chunk
A disk of radius 10 cm, initially at rest, begins rotating about its axis with a constant angular acceleration of 8.2 rad/s2. compute the angular velocity of the disk
An asteroid of mass 59,000 kg carrying a negative charge of 12.0 μC is 170 m from a second asteroid of mass 58,000 kg carrying a negative charge of 15.0 μC
You do 6.5 J of work to stretch a spring with k = 190 N/m , starting with the spring unstretched. How far does the spring stretch
A 18 g rifle bullet traveling 230 m/s buries itself in a 3.6 kg pendulum hanging on a 2.8 m long string, evaluate the horizontal component of the pendulum's displacement
Recall from Section 14.3 that the average kinetic energy of an atom in a monatomic ideal gas is given by KE=(3/2)kT, Determine the de Broglie wavelength of a helium atom
You are given a container with 56 g of hydrogen atoms. What is the total charge on the electrons in the container
A 650-N Marine in basic training climbs a 11.5-m vertical rope at a constant speed in 9.50 s. What is his power output
A 24.7cm screwdriver is used to pry open a can of paint. if the axis of rotation is 2.39cm from the end of the scredriver blade and a force of 17.2N is exerted at the end of the screwdriver's handle, what force is applied to the lid? answer in units ..
Which decay modes are possible?
Calculate the maximum KE of electrons emitted from a photo surface of work function 3.2 ev for the incident radiation of wavelength 300 nm
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