A dog with a mass of 59.0 kg slides down a wet slope with negligible friction. The dog starts from rest and has a speed of 4.00 m/s at the bottom. What is the height of the slope (in m)?
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- Two objects with the same mass are sliding on a frictionless surface that becomes an incline. Object 1 has a speed of V and object 2 has a speed 2V. Which object will slide the farthest up the incline?The figure below shows a motorcycle leaving the end of a ramp with a speed of 39.6 m/s and following the curved path shown. At the peak of the path, a maximum height h above the top of the ramp, the motorcycle's speed is 37.7 m/s. What is the maximum height h? Ignore friction and air resistance. (Enter your answer in m.)A car traveling at 22 m/s runs out of gas while traveling up a 200 slope. How far up the hill will it coast before starting to roll back down? Assume that car rolls without friction.
- A 2.1 x 10-kg car starts from rest at the top of a 5.8-m-long driveway that is inclined at 15° with the horizontal. If an average friction force of 4.0 x 103N impedes the motion, find the speed of the car at the bottom of the driveway. Enter a number. differs from the correct answer by more than 10%. Double check your calculations. m/s Need Help? Read ItStarting from rest, a 92-kg firefighter slides down a fire pole. The average frictional force exerted on him by the pole has a magnitude of 720 N, and his speed at the bottom of the pole is 3.6 m/s. How far did he slide down the pole?A 60.0 kg skier with an initial speed of 14 m/s coasts up a 2.50 m high rise as shown in the figure. Find her final speed right at the top, in meters per second, given that the coefficient of friction between her skis and the snow is 0.39.
- A water slide is constructed so that swimmers, starting from rest at the top of the slide, leave the end of the slide traveling horizontally. As the drawing shows, one person hits the water 5.00 m from the end of the slide in a time of 0.632 s after leaving the slide. Ignore friction and air resistance, find the height H in the drawing. Water slide Number i Units < -5.00 m-You are driving your car on a straight road with a coefficient of friction between the tires and the road of 0.55. A large piece of debris falls in front of your view and you immediate slam on the brakes, leaving a skid mark of 30.5 m (100-feet) long before coming to a stop. A policeman sees your car stopped on the road, looks at the skid mark, and gives you a ticket for traveling over the 13.4 m/s (30 mph) speedlimit. Draw the FBD of the car with complete details.Suppose I need to toss an object of mass 5.2 up onto a shelf 5.94 meters above where my hands can reach. What is the minimum speed of toss necessary to do this? Your answer should be in meters per second, but don't write teh unit, just the number. You can approximate the acceleration due to gravity at the earth's surface as 10 meters per square second.
- A block is launched up a 3.75 m high frictionless inclined plane (0 = 35.0°) with an %3D initial speed of vo = 12.5 m/s as shown in the figure below. (a) What is the block's %3D speed as it leaves the ramp? (b) How far from the base of the ramp does the block land? (Air resistance is negligible) Vo=12.5 m/s 3.75 m 0= 35.0° X= ?Your answer is partially correct. In the figure a block slides along a path that is without friction until the block reaches the section of length L = 0.66 m, which begins at height h = 1.1 m, on a ramp of angle 0 = 32°. In that section the coefficient of kinetic friction is 0.410. The block passes through point A with a speed of 8.4 m/s. If the block can reach point B (where the friction ends), what is its speed there, and if it cannot, what is its greatest height above A? Number i 8 6.46 Unit m/sA two-man bobsled has a mass of 290 kg. Starting from rest, the two racers push the sled for the first 50 m with a net force of 370 N. Neglecting friction, what is the sled's speed at the end of the 50 m? 7.8 m/s 2.9 m/s 11.3 m/s 8.9 m/s 4.7 m/s