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A bucket that has a mass of 10 kg when filled with sand needs to be...
# 3 Points possible: 1. Total attempts: 6 A bucket that has a mass of 20 kg when filled with sand needs to be lifte...
# 3 Points possible: 1. Total attempts: 6 A bucket that has a mass of 20 kg when filled with sand needs to be lifted to the top of a 15 meter tall building. You have a rope that has a mass of 0.4 kg/m that must be secured to the bucket. It takes I meter of rope to secure the bucket. Once the bucket reaches the top of the building it only has mass 12 kg because there was...
(1) Suppose you lift a stone that has a mass of 5.3 kilograms off the floor...
(1) Suppose you lift a stone that has a mass of 5.3 kilograms off the floor onto a shelf that is 2 meters high. How much work have you done? Joules (2) Suppose you lift a laptop that weighs 3.2 pounds off the floor onto a shelf that is 4 feet high. How much work have you done? foot-pounds (3) The force on a particle is described by 9x^3−1 pounds at a point xx feet along the x-axis. Find the...
A bucket weighing 2 kg and a rope of negligible mass is used todraw water from a well that is 40.8 meters deep. Just before thebucket starts being raised from the bottom of the well, the bucket isfill...
A bucket weighing 2 kg and a
rope of negligible mass is used todraw water from a well that is
40.8 meters deep. Just before thebucket starts being raised from
the bottom of the well, the bucket isfilled with 6 kg of water.
Unfortunately, there is a hole in the bucketand water leaks out at
the rate of 0.12 kg per second. The bucketis pulled up at a
constant rate of 0.8 meters per second.(a)How much water is in the...
A bucket of mass m (0.4 kg) is suspended over a well by a winch and...
A bucket of mass m (0.4 kg) is suspended over a well by a winch and Pope. The WINCH consists of a solid cylinder with mass M (1 kg) and radius R (0.1 m) about which the rope is wrapped. A handle is attached to one end in order to rotate the cylinder. Suppose that the winch's handle breaks off, allowing the bucket to fall as the rope unwinds from the cylinder. magine that the bucket fell 2 m. i....
1. A roller coaster has a 300 kg car. Assume the track is frictionless. a) The...
1. A roller coaster has a 300 kg car. Assume the track is frictionless. a) The car starts at a speed 20 m/s on a horizontal track. It then goes through a circular loop. What is the speed of the car when it is at the top of the loop, h = 10 m above the horizontal track? b) What is the normal force applied from the track at the point? Does this force point upward or downward? Assume the...
A thin spherical shell has a mass of 2 kg when it is empty, radius 0.2...
A thin spherical shell has a mass of 2 kg when it is empty, radius 0.2 meters, and a volume of 0.0335 m3. It is filled with helium (density=0.179 kg/m3) and released from rest at the bottom of a pool of water that is 4 meters deep. (density of water= 1000 kg/m3). 1. Show that the shell rises with constant acceleration and determine the acceleration. 2. How long does it take the top of the shell to reach the water...
Question Tony has a mass of 75 kg and is doing skateboard tricks on a half...
Question Tony has a mass of 75 kg and is doing skateboard tricks on a half pipe ramp. At the apex of one trick, he is motionless at a height h-5.0 meters above the bottom of the ramp. He falls off the skateboard while landing and slides down the ramp and then he reaches a height h2=1.5 m up the other side of the ramp before stopping. What is the work in Joules that was done on Tony by dissipative...
Question 12 1 pts Tony has a mass of 75 kg and is doing skateboard tricks...
Question 12 1 pts Tony has a mass of 75 kg and is doing skateboard tricks on a half pipe ramp. At the apex of one trick, he is motionless at a height h1=5.0 meters above the bottom of the ramp. He falls off the skateboard while landing and slides down the ramp and then he reaches a height h2=1.5 m up the other side of the ramp before stopping. What is the work in Joules that was done on...
FIGURE P6-65 6-66 Indiana Jones needs to ascend a 10-m-high building. There is a large hose...
FIGURE P6-65 6-66 Indiana Jones needs to ascend a 10-m-high building. There is a large hose filled with pressurized water hanging down from the building top. He builds a square platform and mounts four 5-cm-diameter nozzles pointing down at each corner. By connecting hose branches, a water jet with 15-m/s velocity can be produced from each nozzle. Jones, the plat- 150 kg. Determine (a) the minimum water jet velocity needed to raise C the system, (b) how long it takes...
A skyscraper in Manhattan has an elevator that weighs 1000 kg when loaded. The elevator is...
A skyscraper in Manhattan has an elevator that weighs 1000 kg when loaded. The elevator is lifted at a constant rate to 480m above the ground by an electric winch motor. The drum of the winch motor is a solid uniform cylindrical drum in which a steel cable can wrap around it. The mass of the drum is 500 kg and has a diameter of 1 m. It takes the elevator a total of 120 s to get to the...
# 3 Points possible: 1. Total attempts: 6 A bucket that has a mass of 20 kg when filled with sand needs to be lifted to the top of a 15 meter tall building. You have a rope that has a mass of 0.4 kg/m that must be secured to the bucket. It takes I meter of rope to secure the bucket. Once the bucket reaches the top of the building it only has mass 12 kg because there was...
A bucket weighing 2 kg and a
rope of negligible mass is used todraw water from a well that is
40.8 meters deep. Just before thebucket starts being raised from
the bottom of the well, the bucket isfilled with 6 kg of water.
Unfortunately, there is a hole in the bucketand water leaks out at
the rate of 0.12 kg per second. The bucketis pulled up at a
constant rate of 0.8 meters per second.(a)How much water is in the...
A bucket of mass m (0.4 kg) is suspended over a well by a winch and Pope. The WINCH consists of a solid cylinder with mass M (1 kg) and radius R (0.1 m) about which the rope is wrapped. A handle is attached to one end in order to rotate the cylinder. Suppose that the winch's handle breaks off, allowing the bucket to fall as the rope unwinds from the cylinder. magine that the bucket fell 2 m. i....
1. A roller coaster has a 300 kg car. Assume the track is frictionless. a) The car starts at a speed 20 m/s on a horizontal track. It then goes through a circular loop. What is the speed of the car when it is at the top of the loop, h = 10 m above the horizontal track? b) What is the normal force applied from the track at the point? Does this force point upward or downward? Assume the...
Question Tony has a mass of 75 kg and is doing skateboard tricks on a half pipe ramp. At the apex of one trick, he is motionless at a height h-5.0 meters above the bottom of the ramp. He falls off the skateboard while landing and slides down the ramp and then he reaches a height h2=1.5 m up the other side of the ramp before stopping. What is the work in Joules that was done on Tony by dissipative...
Question 12 1 pts Tony has a mass of 75 kg and is doing skateboard tricks on a half pipe ramp. At the apex of one trick, he is motionless at a height h1=5.0 meters above the bottom of the ramp. He falls off the skateboard while landing and slides down the ramp and then he reaches a height h2=1.5 m up the other side of the ramp before stopping. What is the work in Joules that was done on...
FIGURE P6-65 6-66 Indiana Jones needs to ascend a 10-m-high building. There is a large hose filled with pressurized water hanging down from the building top. He builds a square platform and mounts four 5-cm-diameter nozzles pointing down at each corner. By connecting hose branches, a water jet with 15-m/s velocity can be produced from each nozzle. Jones, the plat- 150 kg. Determine (a) the minimum water jet velocity needed to raise C the system, (b) how long it takes...
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