Determine how far does the car go before it stops
A car traveling 20.0 m/s when the driver sees a child standing on the road. She takes .80s to react, then steps on the brakes and slows at 7.0 m/s^2. How far does the car go before it stops?
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A 28.0 {rm kg} block is connected to an empty 1.80 {rm kg} bucket by a cord running over a frictionless pulley. The coefficient of static friction between the table and the block is 0.48 and the coefficient of kinetic friction between the table an
The target stands 1.65m high. The arrow will travel with a velocity of 53m/s. At what angle must he aim the arrow so that it hits the target?
Two objects of masses m and 3m are moving toward each other along the x-axis with same initial speed v0. The object with mass m is traveling to the left, and the object with mass 3m is traveling to the right. They undergo an elastic glancing coll
A 0.25 kg length of aluminum wire is warmed 10°C by an electric current. How much heat was generated by the current?
A 1.0 cm times 1.0 cm parallel-plate capacitor has a 1.0 mm spacing. The electric field strength inside the capacitor is 1.1×105 V/m. What is the potential difference across the capacitor?
Suppose that the same pull is exerted at an angle above the horizontal. If this pull now does 65.0 {rm J} of work on the box while pulling it through the same distance, what angle does the force make with the horizontal?
A chair of weight 115 N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 41.0 N directed at an angle of 39.0^circ below the horizontal and the chair slides along the floor. Using Newton's laws,
A 56 kg pole vaulter running at 14 m/s vaults over the bar. Her speed when she is above the bar is 1.0 m/s. Neglect air resistance, as well as any energy absorbed by the pole, and determine her altitude as she crosses the bar.
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