A car is traveling south at 30 km/h. it rounds a curve, and 6 s later it is traveling west at 30 km/h. the magnitude of the average acceleration of the car is:

Q: A ball whirls around on the end of a string, moving in a circle at a constant speed of 3.0 m/s. If…

A: The radius of the circle is,

Q: NASA is launching a rocket into space from Earth.  This particular rocket burns its fuel for 5…

A:

Q: A basketball starts from rest and accelerates with an acceleration of 0.395 m/s2 while moving down a…

A:

Q: A robot has been designed and is tested on the course above (A-B-C-D-E). If the robot takes 3.4…

A: Required to find the average speed of the robot.

Q: A cat chases a mouse across a 1.6 m high table. The mouse steps out of the way, and the cat slides…

A: Given data:  Height of table (h) = 1.6 m Cat slides off the table  Horizontal displacement (d) = 1.2…

Q: The F-35A, one of the U.S. Air Force's latest fifth-generation fighter was taken 160 km away from…

A: To solve this problem, we can use the equations of motion and kinematics. We assume that the F-35A…

Q: a berry rage. Given the v-t graph, find the instantaneous acceleration at time t = 1[s] and the…

A:

Q: In the classic book by Jules Veme, Phileas Fogg travels around the world in 80 days. Leaving London,…

A: Given data: Time (t) = 80 days Radius of the earth (r) = 6.38 × 106 m/s Starting from London and…

Q: A bus bound to San Carlos City is moving up a steep hill in DSB at 30m/s when suddenly the engine…

A:

Q: A dog initially at rest, starts running inside a circular track with a 40π m circumference. The…

A:

Q: A car runs at a constant speed on a circular track of radius 100 m, taking 62.8 seconds for every…

A: Given: Radius of circular track, r = 100 m. Time taken, t = 62.8.

Q: A girl on a bicycle takes 15.4 s to ride half way around a circular track of radius 19.0 m (see the…

A: a)The average speed is,

Q: you wake up in a strange room, and this time you drop a ball from a height of 1.79 m above the…

A: Given data:  Initial velocity (Vi) = 0 m/s Height (h) = 1.79 m Time (t) = 0.242 s Required:…

Q: Use a(t) = −9.8  meters per second per second as the acceleration due to gravity. (Neglect air…

A:

Q: A car at a traffic signal starts from rest and makes a left turn in a circular trajectory of radius…

A: GivenInitail velocity Of car (u)=0Radius of circular Trajectory (r)=6 mSpeed (v) of car in 2 s (t)=9…

Q: A point moves on a circular path with its position from rest defined by s = t^3 + 5t, where s and t…

A: S=t3+5tacceleration, a=8.39 ms2time, t=0.66 s

Q: A sports car moving at constant velocity travels 130m in 4.9s. It then brakes and comes to a stop in…

A: First we find the initial speed of the car then we apply equation of motion to find the acceleration…

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

A: Given data: The initial velocity of the volleyball is, u = 0 m/s  Acceleration of the volleyball is,…

Q: An automobile travels along the circular path of radius 35 m such that its speed is increased by a =…

A:

Q: A car is traveling around a circular track of 700-ft radius. If the magnitude of its total…

A:

Q: A girl on a bicycle takes 12.2 s to ride half way around a circular track of radius 20.0 m (see the…

A: (a) Write the expression for average speed

Q: Here are a couple acceleration problems.  Acceleration isn't necessarily constant. These problems…

A: When a particle is in motion, then the rate of change of position is known as the speed of the…

Q: A sphere is fired downward into a medium with an initial speed of 37 m/ S. If it experiences a…

A: Guven that,The initial velocity of sphere is u=37msThe deacceleration of sphere is a=-6tms2here the…

Q: Consider the car shown in (Figure 1). Suppose that (1-3 。) x² 10 000 Neglect the size of the car in…

A: The formulae for radius of curvature at the crest. The formulae for distance of variation.…

Q: The NEXT morning, you wake up in a strange room yet again, and this time you drop a ball from a…

A:

Q: The NEXT morning, you wake up in a strange room yet again, and this time you drop a ball from a…

A: Height, h = 1.33 m Time, t = 0.365 s Initial velocity, u = 0 Planet's g = ?

Q: The motion of a dog is observed to be given by the function = (1.28 m/s²) t²-[(0.66 m/s³) t³-2.99…

A:

Q: A girl on a bicycle takes 13.6 s to ride half way around a circular track of radius 12.5 m (see the…

A: (a) Girl’s average speed is,

Q: An object with a mass of 2,000 kg moves with a constant speed of 20 m/s on a circular track with a…

A:

Q: An engineer is designing the runway for an airport. Of the planes that will use the airport, the…

A: Given data: Magnitude of minimum acceleration is, a=3 m/s2. Take-off speed is, v=65 m/s.

Q: Wil-E-Coyote drops a bowling ball off a cliff to try to catch the Roadrunner. The cliff is 181.8 m…

A: Every object on the surface of the earth attracts towards the center of the earth. A freely falling…

Q: At the equator, the radius of the Earth is approximately 6370km. A jet flies at a very low altitude…

A:

Q: Aride at an amusement park has malfunctioned. It Steadily lowers riders from the top of the 60 m…

A:

Q: Podracing is a very popular auto racing sport in the Star Wars universe . Although it is dangerous ,…

A: The distance travelled by the racer in tailwind is dtw=960 km The distance travelled by the racer in…

Q: A dog initially at rest, starts running inside a circular track with a 40π m circumference. The…

A:

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –