029 (part 1 of 2) 10.0 points In the "slingshot effect," the transfer of energy in...
029 (part 1 of 3) 10.0 points 8.7 2 3 3 V 4.92 0.92 9 6.3 V 3.32 2.4 V Find the current I1 in the 0.9 S2 resistor at the bottom of the circuit between the two power supplies. Answer in units of A 030 (part 2 of 3) 10.0 points Determine /2. Answer in units of A 031 (part 3 of 3) 10.0 points Determine I3. Answer in units ofA
ent 38228286 a e WITHDRAWN 027 (part 1 of 2) 10.0 points A ball thrown vertically upward is caught by the thrower after 1.93 s. Find the initial velocity of the ball. The acceleration of gravity is 9.8 m/s2 Answer in units of m/s. 028 (part 2 of 2) 10.0 points Find the maximum height it reaches. Answer in units of m. 029 10.0 points A car enters the freeway with a speed of 6.9 m/s and accelerates uniformly for...
016 (part 1 of 2) 10.0 points A neutron in a reactor makes an elastic headon collision with the nucleus of an atom initially at rest. Assume: The mass of the atomic nucleus is about 13.7 the mass of the neutron. What fraction of the neutron’s kinetic energy is transferred to the atomic nucleus? 017 (part 2 of 2) 10.0 points If the initial kinetic energy of the neutron is 8.06 × 10−13 J, find its final kinetic energy. Answer...
021 (part 1 of 2) 10.0 points Assume: Moving to the right is positive. A(n) 5.7 g object moving to the right at 31 cm/s makes an elastic head-on collision with a 14 g object moving in the opposite direction at 17 cm/s. 31 es17 cm/s- .-31 cm/s 5.7 g 14 g Find the velocity of the first object imme- diately after the collision Answer in units of cm/s. 022 (part 2 of 2) 10.0 points Find the velocity of...
Please help and show work 007 (part 1 of 2) 10.0 points A 0.6 kg bead slides on a curved wire, starting from rest at point A as shown in the figure The segment from A to B is frictionless, and the segment from B to C is rough. The point A is at height 9.1 m and the point C is at height 1.8 m with respect to point B 1.8 m Find the speed of the bead at...
001 (part 1 of 2) 10.0 points An amusement park ride consists of a large vertical cylinder that spins about enough that any person inside is held up against the wall when the floor drops away its axis fast 6.87 m What is the minimum angular velocity wmin needed to keep the person from slipping downward? The acceleration due to gravity is 9.8 m/s2, the coefficient of static friction be- tween the person and the wall is 0.77, and the...
010 (part 1 of 3) 10.0 points In a pool game, the cue ball, which has an ini- tial speed of 5 m/s, makes an elastic collision with the eight bal, which is initially at rest The two balls have equal masses of 9 kg. Af ter the collision, the eight ball moves at an an angle of 35.6° to the original direction of the cue ball. Before After 5 m/s What angle does the cue ball make with respect...
012 (part 1 of 2) 10.0 points A projectile is fired straight upward at How fast is it moving at the instant it reaches the top of its trajectory? Answer in units of m/s. 013 (part 2 of 2) 10.0 points How fast is it moving at the instant it reaches the top of its trajectory if the projectile is fired upward at 13 from the horizontal?
012 (part 1 of 4) 10.0 points A massless spring with force constant 277 N/m is fastened at its left end to a vertical wall, as shown below. The acceleration of gravity is 9.8 m/s 2 . Initially, the 8 kg block and 3 kg block rest on a horizontal surface with the 8 kg block in contact with the spring (but not compressing it) and with the 3 kg block in contact with the 8 kg block. The 8...
016 (part 1 of 2) 10.0 points A crate is pulled by a force (parallel to the incline) up a rough incline. The crate has an initial speed shown in the figure below. The crate is pulled a distance of 9.28 m on the incline by a 150 N force. The acceleration of gravity is 9.8 m/s2 1.62 m/s 150 N 11 kg % . H 0.346 : 20° a) What is the change in kinetic energy of the crate?...