QUESTION 5 A windmill-style softball pitcher executes a pitch in 0.5s. If her pitching arm is 1m long, what is the magnitude of the radial acceleration on the ball just before the ball release, when tangential ball speed is 20 m/s?
 100 m/s2 200 m/s2 300 m/s2 400 m/2 


 QUESTION 6 A windmill-style softball pitcher executes a pitch in 0.5s. If her pitching arm is 1m long, what is the magnitude of the total acceleration on the ball just before the ball release, when tangential ball speed is 20 m/s?
 401.9 m/s2 378.9 m/s2 289 m/s2 479 m/s2

Q: A speed skater increases her speed from 10 m/s to 12.5 m/s over a period of 3 s while coming out of…

A: The tangential acceleration is, The radial acceleration is,

Q: A race car travels with a constant tangential speed of 77.4 m/s around a circular track of radius…

A: Given data:  Constant tangential speed (v) = 77.4 m/s Radius of circular path (r) = 677 m Required:…

Q: NASA uses large centrifuges to study the effects of large forces on astronauts prior to their going…

A: Given Centirpeta acceleration (ac)= 20.0 g = 20.0  x 9.81 = 196.2 m/s2 Radius (r) = 9.5 m

Q: 5. A high-speed ultracentrifuge spins a biological sample in a test tube in order to separate the…

A: a) Convert the value of angular speed.

Q: You are working in a biology lab and learning to use a new ultracentrifuge for blood tests. The…

A:

Q: An ultracentrifuge accelerates from rest to 9.83 x 10° rpm in 2.23 min. What is its angular…

A: Given : Initial angular velocity (wo) = 0 Final angular velocity (w) = 9.83 x 105 rpm = 9.83 x…

Q: A particle moves in a circular path of radius 0.15 m with a constant angular speed of 5.0 rev/s. The…

A: Given data:  Radius (r) = 0.15 m Constant angular speed (ω) = 5.0 rev/s Required: The acceleration…

Q: You are swinging a sling shot, which is basically a string tied to a rock, vertically as shown.…

A: Tangential component of the rock's velocity, vt(t)=vo−vo4sin(2πT⋅t)where vo is the rock's speed at…

Q: The relation between linear speed v, angular speed o and angular acceleration a in circular motion…

A: To find- Relation between (V), (ω) and (α)Given-For a given circular motionLinear speed=VAngular…

Q: An athlete swings a 6.30-kg ball horizontally on the end of a rope. The ball moves in a circle of…

A:

Q: A motorsports driver is driving his car at a constant speed of 37.0 m/s on a circular track with a…

A: Given -          speed of car on circular track (V )= 37 m/s           radius of circular track (R)…

Q: A particle is moving along a circular path of radius 1.5 m and has an angular velocity of 10 rad/s.…

A:

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.