Answer 1-15 thanks pal!!! For items 9 to 12, a ball was thrown vertically upward and returned to the hand after 2.09. How much time was taken by the ball to reach its maximum height?0.5 s1.0 sWith what initial velocity was the ball thrown?- 19.6 m/s10.11.12.a.b.15.C.-9.8 m/sd.What was the velocity of the ball just before it returned- 19.6 m/sa.b.a.b.a.-9.8 m/sWhat was the maximum height reached by the ball?4.9 mC.19.6 mb.9.8 md.29.4 m13.A girl is riding a bicycle at a constant speed when she dropped a ball. Which set of graphsrepresents the horizontal motion of the ball?a.b.a.b.a.b.C.d.C.d.C.For items 14 and 15, consider an airplane flying clockwise in a circular path of radius20.0 m at a constant speed of 30.0 m/s.14. What is the magnitude of the centripetal acceleration of the plane?0 m/s²13 m/s²1.5 m/s²45 m/s²What is the magnitude of the tangential acceleration of the plane?0 m/s²13 m/s²1.5 m/s²45 m/s²d.C.d.C.d.1.5 s2.0 s9.8 m/s19.6 m/sto the hand?9.8 m/s19.6 m/stt Which two quantities are needed to determine the average velocity of an object?displacement and accelerationb.displacement and elapsed timedistance and elapsed timeinitial speed and final speedd.2.A projectile is thrown upward with an initial velocity v at an angle with the horizontal.Which of the following is true for the projectile at its maximum height?velocity = 0; acceleration = 0velocity = 0; acceleration = -gC.velocity = vo sin 0; acceleration = 0d.velocity =vo cos 0; acceleration = -g3.A ball is thrown upward at an angle of 60° with the horizontal. In the absence of air resistance,its range would be less than that of a projectile thrown at an angle of10°C.b.30°d.4.A girl runs around a circular track of radius 65 m at a speed of 2 m/s. What is her displacementafter finishing one round?1.5.6.7.a.a.b.a.a.b.a.b.C.130 m0408 m65 mWhat does a horizontal line on a velocity-time graph represent?no motion at alluniform motionWhat does the slope of a line tangent to a point on aaccelerated motion give us?C.d.a.b.C.d.43°Lenna.b.uniform motionWhat does a horizontal line on a displacement-time graph represent?no motion at all70°C.d.uniformly accelerated motionuniformly decelerated motionC. uniformly accelerated motiond.uniformly decelerated motiondisplacement-time graph for a uniformlyaccelerationa.C.initial velocityb.d.average velocityinstantaneous velocity8.A boat sails at 12.0 m/s across a river flowing due south at 5 m/s. What is the magnitude ofthe resultant velocity of the boat?7.0 m/s8.5 m/s13.0 m/s17.0 m/s

Name: Answer 1-15 thanks pal!!! For items 9 to 12, a ball was thrown vertica
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Description: Answer 1-15 thanks pal!!! For items 9 to 12, a ball was thrown vertically upward and returned to the hand after 2.09. How much time was taken by the ball to reach its maximum height?0.5 s1.0 sWith what initial velocity was the ball thrown?- 19.6 m/s1

Required: The two qualities that are needed to determine the average velocity

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Which two quantities are needed to determine the average velocity of an object? a. displacement and acceleration distance and elapsed time b. displacement and elapsed time initial speed and final speed C. d.

Which two quantities are needed to determine the average velocity of an object? a. displacement and acceleration distance and elapsed time b. displacement and elapsed time initial speed and final speed C. d.

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter4: Motion In Two And Three Dimensions

Section: Chapter Questions

Problem 24P: Clay Matthews, a linebacker for the Green Bay Packers, can reach a speed of 10.0 m/s. At the start...

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Clay Matthews, a linebacker for the Green Bay Packers, can reach a speed of 10.0 m/s. At the start of a play, Matthews runs downfield at 45 with respect to the 50-yard line and covers 8.0 m in 1 s. He then fins straight down the field at 90 with respect to the 50-yard line for 12 m, with an elapsed time of 1.2 s. (a) What is Matthews’ final displacement from the start of the play? (b) What is his average velocity?
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