A cannon, located 60.0 m from the base of a vertical 15.0-m-tall cliff, shoots a 15 kg shell at 43.0° above the horizontal toward the cliff.
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- Pregunta 5 Sin responder aún Puntúa como 1.00 P Marcar pregunta Página anterior Tiempo restante 1:00:28 Jerome lanza una pelota de béisbol de masa 0.300 kg. La pelota llega al "home plate" con una velocidad de 40.0 m/s y es bateada directamente a Jerome con una velocidad de retorno de 52.0 m/s. ¿Cuál es la magnitud del cambio en el impulso de la pelota? O a. 12.0 kg-m/s O b. 15.6 kg-m/s. O c. 27.6 kg-m/s O d. 3.60 kg-m/s Siguiente páginaAs a car was passing through an intersection at 8.01 m/s [0.0°] it was hit broadside by a 1600 kg pickup truck running a red light at 8.38 m/s [90.0°]. Immediately after the 0.185 s collision, the velocity of the car was 5.68 m/s [62.4°], and the velocity of the truck was 6.12 m/s [48.78°].Based on the information in the above narrative, the mass of the car was a 1.20 ´ 103 kg. b 1.05 ´ 103 kg. c 9.50 ´ 103 kg. d 1.28 ´ 103 kg. please show all work, thank youPlease answer the question correctly
- 9A massless spring with spring constant k = 400N/m is placed on a platform which is inclined with angle 0 above the horizontal. A block of mass 1kg is attached to the spring and the spring is compressed by 20cm as shown in the figure. There is no friction between the block and the platform. Find the speed of the block as it travels a distance of 30cm along the platform after it is released. (Take g = 10m/s² and sin 0 = 2/3). m = Select one: О а. 3 m/s O b. 1 m/s k m O c. 5 /ms www O d. 4 m/s О е. 2 m/sA spring with a force constant of 12 N/m rests horizontally on a table and projects balls with a mass of 8.3 × 10-3 kg towards targets placed on the ground 93 cm below. If the spring is compressed by 4.0 cm, how far does the ball travel horizontally before it hits the ground?
- A 4 kg ball is dropped on to a cushion pad from the position shown in the figure with initial velocity equal to zero. Once the ball touches the cushion, the cushion exerts a resisting force of f = 200-2/((s+0.1)^2) to the ball, with units of Newtons, where s is the instantaneous distance the cushion is compressed from its original position in meters, as shown in the figure. Determine the position of the ball when its velocity first becomes zero after hitting the cushion, knowing the speed right before contact with the pad is 6.26 m/s.You wake up one morning to find yourself in a strange room with opaque walls, and no visible doors or windows. You decide to do some experiments to find out more about your strange situation. Your own body mass is 54.7 kg. You pick up an object and drop it from rest, starting at a height of 1.20 meters above the floor, and it hits the floor 0.396 seconds later. You can ignore air resistance. Based on the outcome of this experiment, when you step on the scale provided for you, what weight will it register for your body?Two forces, F :(-4.00î – 3.95ĵ) N and F, = (-3.95î – 4.95j) N, act on a particle of mass 1.90 kg that is initially at rest at 1 coordinates (+1.95 m, +4.05 m). (a) What are the components of the particle's velocity at t = 11.1 s? m/s (b) In what direction is the particle moving at t = 11.1 s? ° counterclockwise from the +x-axis (c) What displacement does the particle undergo during the first 11.1 s? (d) What are the coordinates of the particle at t = 11.1 s? X = m y =