3. A rocket-powered sled moves along a track, eventually reaching a top speed of 173 m/s to the east. It then begins to slow down, reaching a complete stop after slowing down for 4.88 s. What was the sled s average acceleration and velocity during the slowdown phase? 0 m/s^2 0, 86.5 m/s east 35.5 m/s^2 east, not enough information 86.5 m/s^2 west, 86.5 m/s west 35.5 m/s^2 west, not enough information

Q: 18. A car starts from rest and travels in a straight line with a constant acceleration of 7.00…

A: The acceleration of the car,

Q: Two ants pass each other one is moving along the negative x axis and one is moving at 45 degrees to…

A:

Q: 5. An object has velocity vo (t) = 3 1 + 1 j m/s at time t = 0.00 s. The acceleration of the object…

A:

Q: A man jogs halfway to his destination at 8 km/h and walks the rest of the way at 6 km/h. What is his…

A: let's say that destination is 2x km away. therefore total distance to be covered is 2x Average Speed…

Q: 1. A train moves on a straight track of length d = 4.82 km connecting two stations. While speeding…

A: The velocity of an object is defined as the rate of change of displacement with respect to time.…

Q: 5. A car drives down a straight farm road. Its position x from a stop sign is described by the…

A: CONCEPT: Given, displacement  x(t) = At2-Bt3 Where A = 2.14 m/s2 and B = 0.0770 m/s3 we know,…

Q: 40. An airplane, starting from rest, moves down the runway at constant acceleration for 18 s and…

A: Given initial speed of airplane (u)=0 m/s Final speed(v)=60 m/s Time taken (t)=18 s Required Average…

Q: Mary accelerates from rest up to 7.3 m/s in 3.45 seconds. a. Calculate her average acceleration. t =…

A: Given data:  Initial velocity (vi) = 0 m/s Final velocity (vf) = 7.3 m/s Time (t) = 3.45 s Required:…

Q: While a helicopter is simultaneously ascending 6 m per second and flying due north at 110 km/h, an…

A:

Q: Below figure gives the acceleration a versus timet for a particle moving along an x axis. The…

A:

Q: An object moves along the ry-plane. At some instant, its velocity and acceleration are J = – (3 m/s)…

A: for straight line motion, the velocity and acceleration are in same (or opposite) direction.

Q: 3. A car traveling along the straight portions of the road has the velocities indicated in the…

A:

Q: 1. A ball is caught in a padded mitt. If the deceleration of the ball is 2.19x 10 m/s?, and 2.14 x…

A: The deceleration of the ball, a = -2.19×104 m/s2 The time interval, t = 2.14×10-3 s The final…

Q: Suzie Lavtaski has reached the end of the ski slope and abruptly decelerates from 31.2 m/s to 2.4…

A:

Q: 2. A car, initially at rest, travels 20 m in 2 s with constant acceleration. What is the…

A: 2. Given data The distance travelled by car is given as s = 20 m. The time taken by the car is…

Q: A rocket-powered sled moves along a track, eventually reaching a top speed of 174 m/s to the east.…

A:

Q: 1. An object is thrown with an initial upward velocity. Taking the upward direction to be positive…

A:

Q: 2. A car starts from rest and reaches a speed of 27.0 m/s in 7.4 s. What is its rate of

A: (b)  Given:             a= 3.65 m/s2             t= 4 s             u= 27 m/s Then to find final…

Q: 1. A train leaves the station on a 50 km commute. The train must make a 60-second stop every 1.0 km…

A:

Q: 3. The velocity of a particle traveling along a straight line is v (3t - 4t) ft/s, where t is in…

A: Velocity of the particle traveling along the straight line, v = 3t2-4t fts  Initial condition,  At,…

Q: 10. A person is driving along a straight highway at a speed of 22.0 m/s when the traffic light which…

A:

Q: 3. Toy Train: A toy train pushed forward and released at x0=2.0 m with a speed of 2 m/s. It rolls at…

A:

Q: 1. Rushin is waiting at a stoplight. When it finally turns green, Rushin accelerated from rest at a…

A: Given : vo = 0 because initially Rushin was at rest a = 2 m/s2 t = 15 seconds

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.