A ball of mass 179 g is thrown with an initial velocity of 25 m/s at an angle of 30° with the horizontal direction. Ignore air resistance. What is the momentum of the ball after 0.8 s? (Do this problem by finding the components of the momentum first and then constructing the magnitude and direction of the momentum vector from the components. Find the magnitude in kg - m/s and the direction in degrees counterclockwise from the +x-axis. Assume the +x-axis points horizontally to the right.) v = (25 m/s)v 30° magnitude kg · m/s direction ° counterclockwise from the +x-axis

A ball of mass 179 g is thrown with an initial velocity of 25 m/s at an angle of 30° with the horizontal direction. Ignore air resistance. What is the momentum of the ball after 0.8 s? (Do this problem by finding the components of the momentum first and then constructing the magnitude and direction of the momentum vector from the components. Find the magnitude in kg - m/s and the direction in degrees counterclockwise from the +x-axis. Assume the +x-axis points horizontally to the right.) v = (25 m/s)v 30° magnitude kg · m/s direction ° counterclockwise from the +x-axis

Similar questions

A projectile with a mass m = 200 kg and a velocity v = 100 m s−1 is fired at an angle of ϕ = 60 ◦ . At the highest point of its trajectory, it explodes and breaks into three pieces with the same mass. Two pieces have the same velocity magnitude as the projectile shortly before the explosion. One of those two pieces moves vertically downwards, and the other moves horizontally forward. a) Compute the velocity of the third piece right after the explosion. b) What was the released energy of the explosion?
A 49 kg object has a velocity whose magnitude is 82 m/s and whose direction is 342°. What is the direction of this object's momentum (in degrees)?
Two carts mounted on an air track are moving toward one another. Cart 1 has a speed of 0.8 m/s and a mass of 0.53 kg. Cart 2 has a mass of 0.69 kg. (a) If the total momentum of the system is to be zero, what is the initial speed (in m/s) of Cart 2? (Enter a number.) m/s (b) Does it follow that the kinetic energy of the system is also zero since the momentum of the system is zero? Yes No (c) Determine the system's kinetic energy (in J) in order to substantiate your answer to part (b). (Enter a number.) J
An unstable atomic nucleus of mass 1.60 x 102 kg initially at rest disintegrates into three particles. One of the particles, of mass 5.10 x 10 27 kg, moves in the y direction with a speed of 6.00 x 10 m/s. Another particle, of mass 8.42 x 10 kg, moves in the x direction with a speed of 4.00 x 10 m/s. x 1)m/s (b) Find the total kinetic energy increase in the process. 576.69-15 ✔3 (a) Find the velocity of the third particle. -13.560-21 X112.34e-21
Answer parts d, e and f
Two carts mounted on an air track are moving toward one another. Cart 1 has a speed of 0.9 m/s and a mass of 0.38 kg. Cart 2 has a mass of 0.66 kg. (a) If the total momentum of the system is to be zero, what is the initial speed (in m/s) of Cart 2? (Enter a number.) m/s (b) Does it follow that the kinetic energy of the system is also zero since the momentum of the system is zero? Yes No (c) Determine the system's kinetic energy (in J) in order to substantiate your answer to part (b). (Enter a number.)
Two carts mounted on an air track are moving toward one another. Cart 1 has a speed of 1.0 m/s and a mass of 0.47 kg. Cart 2 has a mass of 0.71 kg.(a) If the total momentum of the system is to be zero, what is the initial speed (in m/s) of Cart 2? (Enter a number.) m/s(b) Does it follow that the kinetic energy of the system is also zero since the momentum of the system is zero? YesNo (c) Determine the system's kinetic energy (in J) in order to substantiate your answer to part (b). (Enter a number.) J
A pitcher throws a 130-g ball horizontally with velocity v = 33.0 m/s, and it lands in the catcher's glove 0.400 s later. What is the momentum of the ball the instant before it lands in the glove? Ignore air resistance. (Express your answer in vector form.)
Two carts mounted on an air track are moving toward one another. Cart 1 has a speed of 1.2 m/s and a mass of 0.46 kg. Cart 2 has a mass of 0.67 kg. (a) If the total momentum of the system is to be zero, what is the initial speed (in m/s) of Cart 2? (Enter a number.) m/s (b) Does it follow that the kinetic energy of the system is also zero since the momentum of the system is zero? O Yes O No (c) Determine the system's kinetic energy (in J) in order to substantiate your answer to part (b). (Enter a number.)
A pitcher throws a 0.200 kg ball so that its speed is 16.0 m/s and angle is 35.0° below the horizontal when a player bats the ball directly toward the pitcher with velocity 48.0 m/s at 30.0° above the horizontal. Assume +î to be along the line from the batter to the pitcher and +ĵ to be the upward vertical direction. (Express your answers in vector form.) (a) Determine the impulse (in N · s) delivered to the ball. (b) If the force on the ball increases linearly for 4.00 ms, holds constant for 20.0 ms, and then decreases linearly to zero in another 4.00 ms, what is the maximum force (in N) on the ball?
Two carts mounted on an air track are moving toward one another. Cart 1 has a speed of 1.2 m/s and a mass of 0.42 kg. Cart 2 has a mass of 0.68 kg. (a) If the total momentum of the system is to be zero, what is the initial speed of Cart 2 in meters per second? m/s (b) Does it follow that the kinetic energy of the system is also zero since the momentum of the system is zero? O Yes O No (c) Determine the system's kinetic energy in joules in order to substantiate your answer to part (b).
Two carts mounted on an air track are moving toward one another. Cart 1 has a speed of 1.1 m/s and a mass of 0.35 kg. Cart 2 has a mass of 0.60 kg. (A) If the total momentum of the system is to be zero, what is the initial speed of Cart 2 in meters per second? (B) Does it follow that the kinetic energy of the system is also zero since the momentum of the system is zero? (C) Determine the system's kinetic energy in joules in order to substantiate your answer to part (b).