QUESTION 9 Tony Hawk is skating through a half-pipe with a radius of 4 m. Initially...

QUESTION 9

Tony Hawk is skating through a half-pipe with a radius of 4 m. Initially he is in a crouched position with his center of mass 0.5 m above the surface of the half-pipe. He starts from rest with his center of mass a height of 3 m above the base of the half-pipe and experiences no loss of energy from friction as he moves. At the bottom of the half-pipe he stands up and lifts his arms into the air, thereby raising his center of mass to 1.0 m. He then continues up the other side of the half-pipe. What is the maximum height (in m) that his center of mass reaches on the other side of the half-pipe? You may model Tony as a point particle.

Expert Solution

genius_generous answered 1 year ago

A conical tank has height 9 m and radius 4 m at the base. Water flows...

A conical tank has height 9 m and radius 4 m at the base. Water flows at a rate of 3 m^3/min. How fast is the water level rising when the level is 1 m and 2 m? (Use symbolic notation and fractions where needed.) When the water level is 1 m, the water level is rising at a rate of _ .When the water level is 2 m, the water level is rising at a rate of _.

Water flows through a circular pipe with a constant radius of 5.0 cm. The speed and...

Water flows through a circular pipe with a constant radius of 5.0 cm. The speed and pressure at point A is 2.0 m/s and 2.0 x10^5 Pa respectively. What is the pressure at point B, which is 1.0 m higher than at point A.

Water travels through a pipe at 5.13 m/s. The pipe expands from a crossectional area of...

Water travels through a pipe at 5.13 m/s. The pipe expands from a crossectional area of 2.9 m2 to an area of 11.6 m2. What is the speed of the water in the second part of the pipe in m/s? How much is the pressure change in KPa as the pipe expands? The density of water is 1000 kg/m3. Enter a positive value for an increase in pressure, a negative value for a decrease. (Kpa)

A water pipe tapers down from an initial radius of R1 = 0.2 m to a...

A water pipe tapers down from an initial radius of R1 = 0.2 m to a final radius of R2 = 0.09 m. The water flows at a velocity v1 = 0.86 m/s in the larger section of pipe. 1. What is the volume flow rate of the water? 2. What is the velocity of the water in the smaller section? 3. Using this water supply, how long would it take to fill up a swimming pool with a volume...

A wheel of radius 0.280 m, which is moving initially at 33 m/s, rolls to a...

A wheel of radius 0.280 m, which is moving initially at 33 m/s, rolls to a stop in 215 m. Calculate its linear acceleration.(magnitude only) 2) Calculate its angular acceleration.(magnitude only) 3)The wheel's rotational inertia is 0.195 kg* m2 about its central axis. Calculate the torque exerted by the friction on the wheel, about the central axis.(N*m) (magnitude only)

A cylindrical aluminum pipe of length 1.42 m has an inner radius of 1.60 ×10-3 m...

A cylindrical aluminum pipe of length 1.42 m has an inner radius of 1.60 ×10-3 m and an outer radius of 3.39 ×10-3 m. The interior of the pipe is completely filled with copper. What is the resistance of this unit? (Hint: Imagine that the pipe is connected between the terminals of a battery and decide whether the aluminum and copper parts of the pipe are in series or in parallel.)

A circular loop of radius 1.79 m is mounted on top of a truck. Initially the...

A circular loop of radius 1.79 m is mounted on top of a truck. Initially the truck is at rest oriented so that a vector normal to the loop points north. At this location, the Earth’s magnetic field has a magnitude of 49.6 μT and a direction of due north, 63° below the horizontal. Over the course of 9.0 seconds, the truck accelerates north, so that at the end of the time interval, the truck is moving at 14.0 m/s...

Consider the following two half-cells. One half-cell (half-cell A) initially has 1.0 M each of 3PG...

Consider the following two half-cells. One half-cell (half-cell A) initially has 1.0 M each of 3PG and GAP; the other half-cell (half-cell B) initially has 1 M each of NAD+ and NADH. What is the value of ΔG°’ (in kcal/mol to the nearest tenths) when the two half-cells are connected by a salt bridge. To answer this question, you will need the standard reduction potential of NAD+ (which is given in your text), and you will need the standard reduction...

Water movinng in a horizontal pipe has a velocity of 9.0 m/s when the radius of...

Water movinng in a horizontal pipe has a velocity of 9.0 m/s when the radius of the pipe is 0.0025 metr. determine the velocity of the water when it enters a wider section of the pipe and the radius is 0.075 meter. Please show work Determine the density of a unkown smaple by using Archemdes Principle and water. the mass measurement of the sample in air is 200 grams, the mass measurement of the sample in water 147 grams. please...

An underground tank is a hemisphere with radius 4 feet (i.e. it is half a sphere,...

An underground tank is a hemisphere with radius 4 feet (i.e. it is half a sphere, and so horizontal cross-sections are circles of varying radius). It is filled to the top with oil weighing 45 lb per cubic foot. The top of the tank is at ground level, and the oil in the tank is pumped to a height of 10 feet above ground level. How much work is done? Set up the integral, but then just use your calculator...

Question