A rocket is launched upward. The height of the rocket was 68 ft at the end of the thrust portion of the flight. The rocket landed 10.5 s later. The rocket fell freely to the ground after reaching its maximum height. The acceleration of gravity (g = 32.2 ft/s2), What is the speed of the rocket at the end of the thrust flight? I may be doing some
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A rocket is launched upward. The height of the rocket was 68 ft at the end of the thrust portion of the flight. The rocket landed 10.5 s later. The rocket fell freely to the ground after reaching its maximum height. The acceleration of gravity (g = 32.2 ft/s2), What is the speed of the rocket at the end of the thrust flight?
I may be doing something wrong, I am using the

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- A person on the top of a roof of a building (100 m) drops a ball. After 2s passed, a person who stands at the base of the same building throws a separate ball in the upward direction with a speed of 20 m/s. Assumes the two balls are traveling on the same vertical path. Will the two balls collide with each other? If so, what are their velocities as they collide with each other?A person is standing on top of a building. While standing at the edge of the building the person throws a water balloon downward with a speed of 14 m/s and at an angle of 44° below the horizontal. It takes 2.9 s for the water balloon to hit the person's friend. (a) How high is the building in meters? (b) How fast is the water balloon moving when it hits the friend on the ground? Give your answer in m/s. (c) What was the horizontal distance between the friend on the ground and the building in meters?The NEXT morning, you wake up in a strange room yet again, and this time you drop a ball from a height of 2.20 m above the floor. The ball hits the floor 0.335 s after your drop it. You guess that you must have been taken to an alien planet with gravity different from Earth s. What is this planet s g (that is, the magnitude of the acceleration due to gravity on this planet)? 39.2 m/s^2 19.6 m/s^2 29.4 m/s^2 62.7 m/s^2
- The NEXT morning, you wake up in a strange room yet again, and this time you drop a ball from a height of 1.33 m above the floor. The ball hits the floor 0.365 s after your drop it. You guess that you must have been taken to an alien planet with gravity different from Earth s. What is this planet s g (that is, the magnitude of the acceleration due to gravity on this planet)? 40.0 m/s^2 20.0 m/s^2 10.0 m/s^2 15.0 m/s^2A girl on a bicycle takes 13.6 s to ride half way around a circular track of radius 12.5 m (see the figure below). (a) What is the girl's average speed (in m/s)? m/s (b) What is the magnitude of her average velocity (in m/s)? m/sAn object with a mass of 2,000 kg moves with a constant speed of 20 m/s on a circular track with a radius of 100 m. What is the magnitude of the acceleration of the object in m/s2?
- A projectile is shot at an upward angle of 35.2° with a speed of 11.3 m/s. How far does the projectile move horizontally in 0.595 s? Express your answer in meter to 3 significant figures. Use g=9.81 m/s².A tennis ball with a speed of 27.8 m per s is moving perpendicular to a wall. After striking the wall, the ball rebounds in the opposite direction with a speed of 20.016 m per s. If the ball is in contact with the wall for 0.0133 s, what is the average acceleration of the ball while it is in contact with the wall? Take toward the wall to be the positive direction. Answer in units of m per s2.A hammer of mass m = 0.475 kg is moving horizontally at a velocity of v = 5.5 m/s when it strikes a nail and comes to rest after driving the nail a distance Δx = 1.15 cm into a board. 1. What is the duration of the impact, assuming the acceleration is constant during this time period, in terms of the given variables? What is the duration of the impact, assuming the acceleration is constant during this time period, in terms of the given variables?
- A rocket is launched upward. The height of the rocket was 82.9 ft at the end of the thrust and had a velocity of 128.2 ft/s. The acceleration of gravity (g = 32.2 ft/s2), What is the maximum height of the rocket?The position of a squirrel running in a park is given by F=[(0.280 m/s)t + (0.0360 m/s²)t2] + (0.0190 m/s³)t³j. - Part D At t = 4.20 s, what is the magnitude of the squirrel's velocity? Express your answer with the appropriate units. V = Submit ▾ Part E Value 0 = HÅ Submit Request Answer Units At t = 4.20 s, what is the direction (in degrees counterclockwise from +x-axis) of the squirrel's velocity? Express your answer in degrees. [ΨΕΙ ΑΣΦ Request Answer 90 @ C ? B ?A ball is suspended from a light 1.3 m string . The string makes an angle of 24 degrees with the vertical. The ball is then kicked up and to the right such that the string remains taut the entire time the ball swings upwards. This kick gives the ball an initial velocity of 1.1m/s. What will be the speed, in meters per second, of the ball when it reaches its lowest point (θ = 0)? What will be the maximum angle, in degrees, the string will make with the vertical?