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Problem: A car has a mass of 1500 kg. If the driver applies the brakes while on a gravel road, the maximum friction force that the tires can provide without skidding is about 7000 N.
Problem: If the car is moving at 29 m/s, what is the shortest distance in which the car can stop safely?
I don't know how to get that answer for the above problem. Please help! Thanks.
Concrete is pumped from a cement mixer to the place it is being laid, instead of being carried in wheelbarrows. Calculate the resistance of the hose
Find the rms current, phase angle and rms voltage across R & L, in an RL circuit when a 58 Hertz 123 Volt rms ac voltage is applied, where R=1.80 kΩ and L=350 mH
A circular lake 1.0 km in diameter is 10 m deep (see the figure (Figure 1). Solar energy is incident on the lake at an average rate of 200 W/m2. If the lake absorbs all this energy and does not exchange heat with its surroundings, how long will it ta..
A cylindrical aluminum pipe of length 1.33 m has an inner radius of 1.90 10-3 m and an outer radius of 3.00 10-3 m. What is the resistance of this unit
A 57.4-kg skateboarder starts out with a speed of 2.04 m/s. He does 104 J of work on himself by pushing with his feet against the ground. How much has the vertical height of the skater changed
An old Chrysler with mass 2300 kg is moving along a straight stretch of road at 89 km/h. How fast (in km/h) is the center of mass of the two cars moving
What is the moment of intertia of the pendulum about the pivot point?
A 13.00 g bullet travelling 236 m/s penetrates a 2 kg block of wood and emerges cleanly at 179 m/s. If the block is stationary on a frictionless surface as hit, how fast does it move after the bullet emerges.
A fish hanging from the bottom of the spring oscillates vertically at a frequency of 2.80{Hz}. Illustrate what is the mass of the fish, ignoring the mass of the spring.
Laser light of wavelength 635 nm is incident upon two narrow slits separated by .14 mm. On a screen 4.1 m beyond the slits, how far apart are the interference fringes
A 140-g baseball is dropped from a tree 13.0m above the ground. With what speed would it hit the ground
A wind turbine is initially spinning at a fix angular speed. As the wind's strength gradually increases, the turbine experiences a stable angular acceleration 0.129 rad/s2. Compute the initial angular velocity of the turbine
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