0/1 points SerCP10 5.P.01 0. 1/4 Submissions Used Previous Answers My Notes 26. A 7.0 kg...
A 7.0 kg bowling ball moves at 2.00 m/s. How fast must a 2.80 g Ping-Pong ball move so that the two balls have the same kinetic energy? m/s
A 7.0 kg bowling ball moves at 2.25 m/s. How fast must a 2.80 g Ping-Pong ball move so that the two balls have the same kinetic energy?
A 7.0 kg bowling ball moves at 2.50 m/s. How fast must a 2.40 g Ping-Pong ball move so that the two balls have the same kinetic energy? _____m/s
2. +0/3 points | Previous Answers 4/7 Submissions Used My Notes The height of a helicopter above the ground is given by h 2.95t3, where h is in meters and t is in seconds. Att2.05 s the helicopter releases a small mailbag. How long after its release does the mailbag reach the ground? [HINT: Make a list of important clock readings. Make a motion map for the bag before and after it is dropped. Make a list of known quantities....
0/1 points | Previous Answers SerCP10 19.P.037 A singly charged positive ion has a mass of 2.40 x 10-26 kg. After being accelerated through a potential difference of 258 V, the ion enters a magnetic field of 0.550 T, in a direction perpendicular to the field. Calculate the radius of the path of the ion in the field. My Notes Ask Your Teac 1,24 Your response differs from the correct answer by more than 10%. Double check your calculations. cm...
4 0/1 points Previous Answers SerPSE10 8.4.OP.013. My Notes Ask Your Teacher 0.365. The system starts from rest. What is the speed of the The coefficient of friction between the block of mass m, 3.00 kg and the surface in the figure below is ball of mass m, 5.00 kg when it has fallen a distance 1.25 421 Note that the blockslides a distance along the table while the ball is a distance s Need Help? Read With
Need Help? Read it Master 5. -/10 points SerCP10 4.P.030. My Notes A block of mass m - 5.7 kg is pulled up a 0 -21° incline as in the figure below with a force of magnitude F-35 N. (a) Find the acceleration of the block if the incline is frictionless. (Give the magnitude of the acceleration.) (b) Find the acceleration of the block if the coefficient of kinetic friction between the block and incline is 0.12. (Give the magnitude...
0.13/0.53 points | Previous Answers ZillDiffEQModAp10 8.4.017. 3/15 Submissions Used My Notes Use the method of Example 2 in Section 8.4 to compute eAt for the coefficient matrix. Use (1), x - eAtc, to find the general solution of the given system. x'-5 -9 1-1 Need Help? Read It Talk to a Tutor 0.13/0.53 points | Previous Answers ZillDiffEQModAp10 8.4.017. 3/15 Submissions Used My Notes Use the method of Example 2 in Section 8.4 to compute eAt for the coefficient...
11. + -12 points SerCP10 8.P.016. 0/4 Submissions Used My Notes + Ask Your Teacher Many of the elements in horizontal-bar exercises can be modeled by representing the gymnast by four segments consisting of arms, torso (including the head), thighs, and lower legs, as shown in Figure b. Inertial parameters for a particular gymnast are as follows. Segment Mass(kg) Arms 6.87 Torso 34.40 Thighs 13.30 Legs 7.36 Length (m) 0.530 0.601 0.374 cg (m) 0.239 0.337 0.151 1(kg • m)...
3. - 2.23 points SerCP10 8 P 031 013 Submissions Used My Notes Ask Your Teacher objects are held in position at the corners of a rectangle by light rods as shown in the figure below. (The mass values are given in table.) m, (kg) mz (kg) mg (kg) ma (kg) 3.10 1.70 4.50 2.10 6.00 m 4.00 m m , (a) Find the moment of inertia of the system about the x-axis. kg.m? (1) Find the moment of inertia...