A baseball is hit so that it travels straight upward after being struck by the bat....
A baseball is hit so that it travels straight upward after being struck by the bat. A fan observes that it takes 2.80 s for the ball to reach its maximum height. (a) Find its initial velocity. m/s (upward) (b) Find the height it reaches. m
A baseball is hit so that it travels straight upward after being struck by the bat. A fan observes that it takes 3.00s for the ball to reach its maximum height. Find (a) the ball’s initial velocity and (b) the height it reaches. Please check my work and if incorrect please provide detailed answer. a)vy=voy-gt voy=gt 3.00s=vo (1) 9.8m/s2 v0=29.4m/s b) v0=29.4m/s; t=3.00s; a=90° (29.4m/s)(1)(3.00s)-4.9m/s2 (9s2) 88.2m-44.1m=44.1m
1. A baseball is hit so that it travels straight upward after being struck by the bat. A fan observes that it takes 3.20 s for the ball to reach its maximum height. (a) Find the ball's initial velocity. (b) Find the height it reaches. 2. The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows uniformly with acceleration of -5.40 m/s2 for 4.30 s, making straight skid marks 64.6...
x0.210 1-216 Vo.210 -2.060 m/s (c) t-0.315 s x0.315 = -487 Vo.315-3.090 m/s Need Help? ReadIt 2 P030.W A baseball is hit so that it travels straight upward after being struck by the bat. A fan observes that it takes 3.20 s for the ball to reach its maximum height. (a) Find the ball's initial velocity. m/s upward (b) Find the height it reaches. Need Help? ReadIt Submit Answer SaveProgress」 Pr Submit Assignm
A baseball is hit upward and travels along a parabolic arc before it strikes the ground. Which one of the following statements is necessarily true? The velocity of the ball is a maximum when the ball is at the highest point in the arc. The velocity of the ball is zero m/s when the ball is at the highest point in the arc. The x-component of the velocity of the ball is the same throughout the ball's fight. The acceleration...
1. A car starts from rest and travels for 8.0 s with a uniform acceleration of +1.8 m/s2. The driver then applies the brakes, causing a uniform acceleration of −1.5 m/s2. If the brakes are applied for 2.0 s, determine each of the following. (a) How fast is the car going at the end of the braking period? (m/s) (b) How far has the car gone? (m) 2. A ball is hit with a paddle, causing it to travel straight...
Student Name 1. A particle confined to motion along the x axis moves with constant acceleration fromx = 2.0 m to x 8.0 m during a 2.5-s time interval. The velocity of the particle at x - 8.0 m is 2.8 m/s. What is the acceleration during this time interval? 2. The polar coordinates of a point are r=5.50 m and Angle 240°. What are the Cartesian coordinates of this point? 3. On occasion, the notation A= [A, O] will...
A baseball is hit upward and travels along a parabolic arc before it strikes the ground. Which one of the following statements is necessarily true? The x-component of the velocity of the ball varies throughout the ball's flight The acceleration of the ball decreases as the ball moves upward The y-component of the velocity of the ball is zero when the ball is at the highest point The velocity of the ball is a maximum when the ball is at...
A home run is hit in such a way that the baseball just clears a wall 18 m high, located 112 m from home plate. The ball is hit at an angle of 37° to the horizontal, and air resistance is negligible. (Assume that the ball is hit at a height of 1.0 m above the ground.) (a) Find the initial speed of the ball. m/s (b) Find the time it takes the ball to reach the wall. s (c)...
A home run is hit in such a way that the baseball just clears a wall 20 m high, located 128 m from home plate. The ball is hit at an angle of 37° to the horizontal, and air resistance is negligible. (Assume that the ball is hit at a height of 1.0 m above the ground.) (a) Find the initial speed of the ball. m/s (b) Find the time it takes the ball to reach the wall. s (c)...