3/21 A small package is deposited by the conveyor belt onto the 30° ramp at A...
Question 3. A block A, having a mass of 20-kg, is released from rest and slides down an incline with coeffici an incline with coefficient of static d kinetic friction of 0.25 and 0.10, respectively. When it reaches the bottom of the ramp, it slides ally onto the surface of a 10-kg cart for which the coefficient of static and kinetic friction between Question 3. A block A, having a mass of 20-kg, is released from rest and slides down...
In a truck-loading station at a post office, a small 0.200-kg package is released from rest at point A on a track that is one-quarter of a circle with radius 1.60 m (the figure (Figure 1) ). The size of the package is much less than 1.60 m, so the package can be treated as a particle. It slides down the track and reaches point B with a speed of 4.00m/s . From point B, it slides on a level...
A block of mass 3 kg is sliding up a rough, 30° ramp. Its speed drops from 6 m/s to 2 m/s over a travel distance of 2 meters. .a. What is the change in the kinetic energy of the block? b. How much total work is done on the block by gravity? c. How much total work is done on the block by friction? d. What is the change in the gravitational potential energy of the block? e. What...
3) A 5 kg block is set into motion up an inclined plane with an initial velocity of 8 m/s as shown below. The block comes to rest after travelling 3 m up the plane which is inclined at an angle of 30° W, = 8.00 m/s 3.00 m 30.0° For this motion, determine: a) The change in the block's kinetic energy b) The change in the block's potential energy c) The frictional force exerted on the object d) The...
physics homework 3. Three masses 10 kg, 30 kg and 20 kg are connected by two massless strings. 30 Kg mass is on top of a table and the other two masses pass over two different pulleys and hang down. The 20 kg mass has an acceleration of 0.2 m/s. What is the coefficient of kinetic friction between the table and 30 kg mass? A rectangular wooden plank of length 2m and width 1 m is fastened to 4 legs...
PLEASE EXPLAIN ALL ANSWERS 3 kg vertically cing is 10 kg g is used to frictionless maximum these ag is most 11. Three blocks, A, B, and C. of masses 1, 2, and 3 kg, respectively, are initially at rest on a frictionless surface as indicated in the figure above. What force has to be applied on block C 5= 200 mis? to accelerate the three blocks at 2 m/s? (A) 0.33 N (2) +22) 4362) 16 V=20mis (B) 1.5...
Problem 4: Read Appendix 2 below (Sec. 1.4.1 of Kasap) and then solve. A metallic back contact is applied to the CdTe solar cell of Problem 1 using a set up similar to that described in Figure 1.74 (b) on the next page. To form the metallic back contact, two evaporation sources are used, Cu and Au. An initial 3 nm layer of Cu is deposited first and then 30 nm of Au is deposited. After these depositions, the sample...
In your judgement, and given only the facts described in this case, should the management of Massey energy Company be held morally responsible for the deaths of the 29 miners? Explain in detail. Suppose that nothing more is learned about the explosion other than what is described in this case. Do you think Don Blankership should be held morally responsible for the deaths of the 29 miners? Explain in detail. Given only the facts described in this case, should the...