A small block is sent through point A with a speed of 11 m/s, as shown in the figure. Its path is without friction until it reaches the section of length L, where the coefficient of kinetic friction is 0.5. The indicated heights are h1 = 6 m and h2 = 2 m. L = 1x m, where x is the second last digit of Q4. your student number (e.g. L = 17 m if your number is 12345678A). (a) Find the speed of the block when it reaches point C. (b) Find the speed of the block when it reaches point D. 11 m/s 19m, 0.5 u 6m hị C L В 2m

A small block is sent through point A with a speed of 11 m/s, as shown in the figure. Its path is without friction until it reaches the section of length L, where the coefficient of kinetic friction is 0.5. The indicated heights are h1 = 6 m and h2 = 2 m. L = 1x m, where x is the second last digit of Q4. your student number (e.g. L = 17 m if your number is 12345678A). (a) Find the speed of the block when it reaches point C. (b) Find the speed of the block when it reaches point D. 11 m/s 19m, 0.5 u 6m hị C L В 2m

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

The drawing shows a skateboarder moving at 6.90 m/s along a horizontal section of a track that is slanted upward by 0 = 46.0° above the horizontal at its end, which is 0.510 m above the ground. When she leaves the track, she follows the characteristic path of projectile motion. Ignoring friction and air resistance, find the maximum height H to which she rises above the end of the track. Number 6.90m/s i H 0.510m Units
Help me to solve this question, no handwritten
The engine in an imaginary sports car can provide constant power to the wheels over a range of speeds from 0 to 120 kilometers per hour (km/h). At full power, the car can accelerate from zero to 50.0 km/h in time 1.50 s. At full power, how long would it take for the car to accelerate from 0-100km/h? Neglect friction and air resistance. Needs Complete typed solution with 100 % accuracy.
A 55 kg skier starts from rest at the top of a ski jump, point ? shown in the figure, and travels down the ramp. If friction and air resistance can be neglected, determine (a) her speed ?? when she reaches the horizontal end of the ramp at ?, and (b) the distance ? to where she strikes the ground at ?.
A small block slides down a frictionless track whose shape is described by y = (x^2) /d for x<0 and by y = -(x^2)/d for x>0. The value of d = 3.03m. Now suppose the blocks starts on the track at x = 3.11 m. The block is given a push to the left and begins to slide up the track, eventually reaching its maximum height at x = 0, at which point it turns around and begins sliding down. What was its initial speed in this case? 5.59 m/s 4.05 m/s 7.71 m/s 7.91 m/s
In the figure here, a small block is sent through point A with a speed of 6.9 m/s. Its path is without friction until it reaches the section of length L = 13 m, where the coefficient of kinetic friction is 0.76. The indicated heights are h1= 6.0 m and h2 = 2.4 m. What are the speeds of the block at (a) point B and (b) point C? (c) Does the block reach point D? (d) If so, what is its speed there; if not, how far through the section of friction does it travel? %3D D (a) Number Unit (b) Number Unit (c) (d) Number Unit B.
A proton (mass m = 1.67 × 10-27 kg) is being accelerated along a straight line at 6.20 x 10¹1 m/s² in a machine. If the proton has an initial speed of 8.50 x 104 m/s and travels 2.10 cm, what then is (a) its speed and (b) the increase in its kinetic energy? (a) Number (b) Number i Units Units
The drawing shows a skateboarder moving at 6.80 m/s along a horizontal section of a track that is slanted upward by 0 = 41.0° above the horizontal at its end, which is 0.780 m above the ground. When she leaves the track, she follows the characteristic path of projectile motion. Ignoring friction and air resistance, find the maximum height H to which she rises above the end of the track. 6.80m/s 0.780m
Fleas have remarkable jumping ability. A 0.55 mg flea, jumping straight up, would reach a height of 30 cm if there were no air resistance. In reality, air resistance limits the height to 20 cm . What is the flea's kinetic energy as it leaves the ground? Express your answer with the appropriate units. K=? At its highest point, what fraction of the initial kinetic energy has been converted to potential energy? f=?
A saltwater crocodile (Crocodylus porosus) with a mass of 531 kg, is seen chasing prey and reaching a speed of 25.9 km/h in 2.4 s. What is the magnitude of the work (in kJ) done by this crocodile? Enter the numerical part of your answer to three significant figures.
A 5 kg blue block is released from rest at point A (3m high) and slides down a track. The track consists of acurved ramp and a horizontal surface seamlessly connected. The whole track is frictionless except for theportion between point B and C, which has a length of 6m. The coefficient of kinetic friction is µk = 0.35.(a) Please find out the velocity of the blue block when it arrives at the bottom of the ramp. .(b) Please find out whether the block can pass through the rough region BC. If you believe it can passthrough, please find out its speed when it arrives at point C. If you believe it cannot pass through andstop somewhere on the track, please identify its final position with the distance to point B..(c) Determine how much heat is generated at the rough surface due to friction. .
Problem A) A snow boarder starts from rest at the top of a mountain. He boards a vertical distance of 50 m down the mountain, and then he goes off a jump with a speed of 20 m/s. What must be the vertical height of the jump? Assume no friction is present. 50m h= ?