A golf ball is hit with an initial velocity of 130 feet per second (about 88.6 miles per hour) at an angle of 69 degrees to the horizontal. There is a 15 foot-per-second headwind that reduced the horizontal velocity by that amount. The vertical component of velocity is unaffected. Find parametric equations for the position of the ball relative to the tee as a function of time after it is hit. x After how many seconds does the ball hit the ground? t= seconds How far does the ball travel before hitting the ground? Submit Question feet
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- A physics book slides off a horizontal table top with a speed of 1.20 m/s. It strikes the floor after a time of 0.450 s. Ignore air resistance. Part A Find the height of the table top above the floor. Express your answer with the appropriate units. h = Submit Part B Value x = Request Answer Find the horizontal distance from the edge of the table to the point where the book strikes the floor. Express your answer with the appropriate units. Units Value UnitsIf the stone had been thrown from the clifftop with the same initial speed and the same angle, but above the horizontal, then compare their impact velocities. a)The impact velocity when throwing a stone above horizontal will be more than the case when throwing a stone below horizontal. b The impact velocities of the two situations will be the same. c More information is needed to conclude the relative strength of impact velocities. d).The impact velocity when throwing a stone above horizontal will be less than the case when throwing a stone below horizontal. which option is correctRecall that the Range equation gives the horizontal distance a projectile can be launched. Suppose there is a slight breeze so that the range equation is modified in the following way: R(0) : = sin(20) – 0.900 R Part A Use Calculus to determine the angle (in degrees) at which the projectile will reach its maximum range. ? Omaz
- Needs Complete typed solution with 100 % accuracy.On a hot summer day, a young girl swings on a rope above the local swimming hole (Figure 1). When she lets go of the rope her initial velocity is 2.10 m/s at an angle of 35.0 ° above the horizontal. You may want to review (Pages 99 - 101). Part A If she is in flight for 0.611 S, how high above the water was she when she let go of the rope? ? h = ImA baseball hit just above the ground leaves the bat at 32 m/s at 45° above the horizontal. ▼ Part A How far away does the ball strike the ground? Express your answer to two significant figures and include the appropriate units. TR= H μА Value Submit Request Answer Units < Return to Assignment Provide Feedback ?
- We want to find the coefficient of restitution e between the ball and the floor. We will be able to measure the time of flight between subsequent bounces, but not the velocities before and after each impact. Question 1 a. Using the kinematics equation for position, find a relationship between the time of flight tn and the velocity of the ball after the nth bounce. You should obtain a quadratic equation that has two solutions for the time tm, but only one of them represents the time of flight. b. Using the kinematics equation for velocity and the relationship determined in the previous step, find the relationship between the velocity right after the nth bounce and the velocity right before the (n +1)th bounce? c. Given your answers to the previous parts of this question and the definition of €, find the coefficient of restitution e in terms of the subsequent times of flight tn and tr+1.part e is what im most confused about finding (e)What is the average velocity between t = 1.0 s and t = 2.0 s (in m/s)? (Express your answer in vector form.)Please answers parts a and b