Skater final velocity
A skater of mass 70.5 kg initially moves in a straight line at a speed of 4.80 m/s. The skater approaches a child of mass 41.5 kg, whom he lifts on his shoulders. Assuming there are no external horizontal forces, what is the skater's final velocity?
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How many litres of fuel did he deliver? the coefficient of volume epansion for diesel is 9.5*10 to the power of negative 4 degrees celcius an the coefficient of linear expansion for the steel truck is 11 times 10 mto the power of negative 6 degree
When people sleep, their metabolic rate is about 2.6*10^-4 C/(s*kg). How many calories does a 75 kg person metabolize while getting a good night's sleep of 8.5 hours?
A 465 g ball swings in a vertical circle at the end of a 1.3 m-long string. When the ball is at the bottom of the circle, the tension in the string is 21 N. What is the speed of the ball at that point?
A 15.0 m long conveyor belt, inclined at 27.0°, is used to transport bundles of newspapers from the mail room up to the cargo bay to be loaded on delivery trucks. Each newspaper has a mass of 1 kg and there are 27 newspapers per bundle. Determ
A skater of mass 70.5 kg initially moves in a straight line at a speed of 4.80 m/s. The skater approaches a child of mass 41.5 kg, whom he lifts on his shoulders. Assuming there are no external horizontal forces, what is the skater's final velocit
A frog in a hemispherical bowl finds that he just floats without sinking in a fluid whose density is 1.35g/cm^3. If the bowl has a radius of 6.0 cm and negligible mass, what is the mass of the frog?
A jet plane lands with a speed of 83 m/s. From the instant the plane touches the runway, what is the minimum time needed before it can come to rest?
A dock worker applies a constant horizontal force of 80.5 {rm N} to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves 9.00 {rm m} in the first 4.00 {rm s}. What is the mass of the
a tuning fork produces a sound with a frequency of 249 Hz and a wavelenght in air of 1.35 m. What value does this give for the speed of sound in air? Answer in units of m/s.
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Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
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