Velocity vs. Time 300 250 200- 150+ 100 50 10 20 30 Time (s) 40 50 60 70 80 Figure 2.63 Velocity (m/s)

Q: The velocity of a particle is given by the equation v=-4 x3. If the initial velocity of the particle…

A:

Q: A soccer ball starts from rest and accelerates with an acceleration of 0.385 m/s? while moving down…

A:

Q: From t = 0 to t = 4.23 min, a man stands still, and from t = 4.23 min to t = 8.46 min, he walks…

A:

Q: A stone is thrown upward from a cliff at an angle of 35 degrees above the horizont with a speed of…

A: The angle θ between the initial velocity and the y-axis is complementary to α = 35°.

Q: A body moving in space has its motion described by the equations x = 12t + 15, Y = 6t²where the…

A: The rate of change of displacement is called velocity.  The rate of change of velocity is called…

Q: The minimum distance required to stop a car moving at 35.0 mi/h is 40.0 ſt. Whhat is the minimum…

A: Recall Vf2=Vi2+2ad Here Vf=0 in both cases.

Q: A car travels 120 m in 5.0 s at constant velocity. If it then breakes and comes to a stop in 4.0 s…

A: Given data The distance traveled by car is: d = 120 m The time for which car travels at the constant…

Q: Consider a skateboarder who starts from rest at the top of aramp that is inclined at an angle of…

A: It is given that,

Q: An object moving with uniform acceleration has a velocity of 12.0 cm/s in the positive x direction…

A: Given the data Initial velocity is  U=12 cmsS=25-3S=22 cmt=2 sec

Q: Take the slope of the curve  to find thejogger’s velocity at t = 2.5 s . (b) Repeat at 7.5 s.…

A: From the graph, calculate the jogger’s velocity at t=2.5 s. The slope is linear between the 0 to 18…

Q: Having an initial velocity of 30 meters per second, a cube travelled across the surface. Solve for…

A: Initial velocity (u) = 30 m/s  Final velocity (v) = 0 m/s Time (t) = 50 seconds

Q: A car traveling at 24.8 m/s skids to a stop in 2.1 s. Assuming uniform acceleration, Determine the…

A:

Q: A small mailbag is released from a helicopter that is descendingsteadily at 1.50 m/s. After 2.00 s,…

A: a)Let the downward direction is taken as negative and upward direction as positive. Newtons equation…

Q: A particle moves along the x axis according to the equation x 2.08 + 3.02t - 1.00t, where x is in…

A: Given Equation , x = 2.08 + 3.02t - 1t2  To find = a) position at t = 2.8 s                b)…

Q: If it takes a bicyclist 20 seconds to reach a speed of 10 mph from rest, what is her acceleration?…

A: SOlurion: Given that If it takes a bicyclist 20 seconds to reach a speed of 10 mph from rest,  For…

Q: Tom Trucker drives 45.0 km South for .650 hr and then 15.0 km West for .250 hr. a) What is Tom…

A: Distance (x) is the total path length covered Displacement (∆x) is the shortest distance between the…

Q: asdThe particle is moving along a stright path such that its velocity at any time t is given by v  =…

A: Given Datav=24t-6t2 ***as per our company policy we are supposed to do only three subpart if you…

Q: nat is the speed of the ball at the bottom of the first plane (in m/s)7? (Round your answer to at…

A: Acceleration of soccer ball is a1=0.385m/s2. d1=8.50m d2=14.75m At rest, initial speed of ball is…

Q: A train slows down as it rounds a sharp horizontal turn, going from 90.0km/h to 50.0km/h in the…

A: Total acceleration of the train moving in circular path is given by: a = at i + ac j Magnitude of…

Q: 4. Anobject movingwith a constantwheel along a horizontalpathcovering the distance between two…

A: Given The distance between the two points is d=60 m. The time to cover the distance is t=6 s. The…

Q: You drop a ski glove from a height h onto fresh snow, and itsinks to a depth d before coming to…

A: a) The required speed is,

Q: I'm confused on how to start it.

A: Suppose that the acceleration due to gravity is in +ve y-axis. The rock is dropped from the same…

Q: (a) What is the magnitude of the average acceleration of a skier who, starting from rest, reaches a…

A: Given data:  Initial velocity (u) = 0 m/s Final velocity (v) = 7.11 m/s Time (t) = 2.53 s Required:…

Q: The accelerationof a particle is given by ax(t) =-2.00 m/s2 + (3.00 m/s3)t. (a)Find the initial…

A: Given: The acceleration of the particle is given by,

Q: Determine the time of ascent if the initial speed is Vo and the acceleration due to gravity is 1/2…

A: Let the vertically upward direction of motion is considered as the motion’s positive direction. The…

Q: uestion An object starts moving from rest with constant acceleration of 14 m/s, what is its final…

A:

Q: What is the displacement for Wylie Coyote if he falls through the air for 5.00 seconds? What was his…

A: Given data The time is t=5.00 s As Wylie Coyote falls, its initial velocity u=0 m/s The displacement…

Q: A stone falls from rest from the top of a high cliff. A second stone is thrown down from the same…

A:

Q: What is the initial velocity of some one who accelerates at a rate of 3.6 m/s for 10 seconds and…

A: Given: The acceleration of the object is 3.6 m/s2. The time interval is 10 s. The final velocity of…

Q: For a particle acceleration is given in m/s^2 as: 3e-2t Initial conditions are at t=0, v=2.5 m/s and…

A:

Q: A ball is thrown across a playing feild from a height of h = 5 ft above the ground at an angle of 45…

A: Initial vertical velocity of the ball uy = 20×sin(45)uy = 14.14 ft/s

Q: Zeke pitched a baseball and left his hand at speed of 55.0 m/s. If he was in contact with the ball…

A: Final speed v as the ball leaves Zeke's left hand=55m/sThe initial speed u must have been…

Q: a truck start at orgin rest at a time t=0 with an acceleration of ax=(1.40m/s2)t.calculate the…

A:

Q: You throw a rock straight up from the edge of a cliff. It leavesyour hand at time t = 0 moving at…

A: y=ut+0.5gt2 -4.00 m=12.0 m/st+0.5-9.8 m/s2t2-4=12t-4.9t24.9t2-12t-4=0

Q: A student walks at a speed of 0.5 m/s and then begins to run 15 seconds later at a speed of 2.5 m/s.…

A: We know that-Equation of motion, v=u+ atafter rearranging can be written as- ⇒at= v-u⇒a=v-ut

Q: A body in 1D motion is moving left at speed 2.4 m/s at one moment, and 9 seconds later is moving…

A: Initial speed, u=+2.4m/s Final speed, v=-4.2m/s Time interval, t=9s Let acceleration be a.

Q: Starting from rest, if the end of the rope at Bis pulled down with an acceleration of ag- 2,1t in…

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.