In a 100-m race, Henry and Ben cross the finish line in a dead heat, both taking 10.2 s. Accelerating uniformly, Ben took 2.00 s and Henry 3.00 s to attain maximum speed, which they maintained for the rest of the race. a. What was the acceleration of each sprinter?
b. What were their respective maximum speeds?
c. Which sprinter was ahead at the 6.00-s mark, and by how much?

Abanked road comer of radius 146 m is to be constructed. if the comer is designed for vehicles moving with a speed of 20.0 m/s, what should the banking angle be, in units of degrees?

An ice-making machine inside a refrigerator operates in a carnot cycle. it takes heat from liquid water at 0.0 degrees celsius and rejects heat to a room at a temperature of 19.2 degrees celsius. suppose that liquid water with a mass of 76.3kg at 0.0 degrees celsius is converted to ice at the same temperature. take the heat of fusion for water to be l_f = 3.34*10^5 j/kg.how much energy e must be supplied to the device? express your answer in joules.

Mackinzie walks 4 blocks west, then 2 blocks south, then 4 blocks east, and,finally, 1 block south. what is the magnitude of her total displacement duringthis walk (in blocks)?