As a baseball is being thrown, it goes from 0.0 to 40.0 m/s in 0.42 s. (a) What is the acceleration of the baseball? (b) What is the acceleration in g's?

Q: A train travels a distance of 300 m at a constant acceleration. If it starts from rest, what is its…

A: Given: The distance covered is 300 m. The time duration is 20 s.

Q: The speed of a car increases from 20 m/s to 80 m/s during 3 seconds . The acceleration of the car…

A:

Q: A car traveling at 3.0 m/s has a constant acceleration of 4.0 m/s in the same direction as the…

A:

Q: Which has a greater speed, a velocity of +5 m/s or a velocity of −10 m/s

A: We need to compare the velocity

Q: A child slides down a playground slide, starting at rest, and goes off the end of the slide…

A: Let v be the final velocity of child, u be the initial velocity, a be its acceleration, s be the…

Q: If the initial velocity of a car is 5 m/s, and the final velocity is 10 m/s in 5 s, then the…

A: we know the relation,         v= u + atwhere,     v= final velocity                   u = initial…

Q: A spacecraft has an acceleration of 5g. What  distance is  needed for it to attain the speed of…

A:

Q: A car is traveling at a speed of 45 mi/h. Is the driver exceeding the speed limit of 75 km/h? (1…

A: System of Measurements is important for the smooth functioning of practically everything in the…

Q: A cart starts from rest and moves 1.4 m in 1.2 s. Determine the cart's acceleration. a=

A: Data provided:  Initial velocity (u) = 0 m/s Distance traveled (d) = 1.4 m Time taken (t) = 1.2 s…

Q: A body falls freely from rest. Find the following: a. Its acceleration. b. The distance it falls in…

A:

Q: If a squirrel at the top a of tree 17 meters high drops a walnut, how long will the take to reach…

A:

Q: A ball is thrown straight down with an initial velocity of -10 m/s. After 5 seconds its velocity…

A: Given values-  vi=-10mst=5 seconds Downward direction is negative therefore acceleration due to…

Q: If a squirrel at the top a of tree 5 meters high drops a walnut, how long will the take to reach the…

A: We can use equation of kinematics to calculate time taken by walnut to reach at ground. Equation of…

Q: A cyclist travels a distance of 2 km in the first hour, 0.6 km in the second hour and 0.2 km in the…

A:

Q: A car traveling north with a velocity of 20 m/s slows down to 10 m/s in 10s. What is the car’s…

A:

Q: Question 10 km/s is equal.. 18: (a) 10 m/s (d) 10000 m/s (b) 100 m/s (c) 1000 m/s Question

A: Please note : As per answering guidelines I can answer the first question only. Since, this is not a…

Q: A car running at 120 km/hr and changes speed to 80 km/hr before coming to rest. Its motion is…

A: As the  car speed is changing with time. So, this is a negatively accelerated motion. Because in…

Q: A 747 airliner reaches its takeoff speed of 152 mi/h in 35.5 s.

A: The expression for find average acceleration is aavg=v-ut

Q: A truck increases its speed uniformly from 15 m/s to 25 m/s over a distance of 300 m. The…

A: Using 3rd kinematic equation: V^2 = U^2 + 2*a*d U = Initial speed of truck = 15 m/s V = final speed…

Q: A car has an initial velocity of 10 m/s and it covers a distance of 225 metres in 10 seconds. Find…

A: Given: The intial velocity of the car is 10 m/s. The distance traveled by car is 225 m. The time…

Q: Ten seconds after starting from rest, a car is moving at 40 m/s. What is the car's average…

A: Given data The duration of the car is: t = 10 s The initial speed of the car is: u = 0 m/s The final…

Q: A 1000-kg automobile enters a freeway on-ramp at 20 m/s and accelerates uniformly up to 40 m/s in a…

A: First of all we have to calculate the acceleration of the automobile. Acceleration of an object is…

Q: A block of mass 3.47 kg starts from rest and travels in a straight line. It reaches a distance 2.67…

A: Initial velocity u = 0  Final velocity v = 7.59 m/s  Displacement = 2.67 m

Q: A Car traveling at 10 m/s begins to be accelerated at 1.2m/s^2. When the car reaches a velocity of…

A: solution as

Q: An object on one of the moons of Jupiter is dropped from rest. If the object covers a distance of…

A:

Q: A car travels a distance of 100 km in 2.00 hours. It then travels an additional distance of 60.0 km…

A: Given data:  Distance (d1) = 100 km Time (t) = 2.00 h Additional distance (d2) = 60.0 km Time (t) =…

Q: The acceleration of a ball as it rolls down a ramp is 4 m/s2. The ball is referred to 2 s after it…

A: Answer is Option (e) Using kinematic equation, the expression for find velocity is v=u+at Substitute…

Q: if a car moves 12 km north, 19 km east, and 12 km south, what is its displacement?

A:

Q: Fre is a new driver, wants to see how fast his old car will go.  He goes from a stop sign (0…

A: Given data The initial speed of the car is u=0 miles/hour=0 m/s The final speed of the car is v=30…

Q: A hockey puck slides across the ice at an average speed of 9.0 m/s. The distance the puck travels in…

A: Given : Average speed (vav) = 9.0 m/s Time (t) = 0.6 seconds

Q: An airplane has a lift off speed of 120km/h. If the plane needs a 240m of runway to take off, what…

A:

Q: An airplane reaches a velocity of 80 m/s when it takes off. If the runway is 1 km in length, what…

A: Acceleration can be found by using equation of motion .

Q: a dog is running at 8.25m/s chasing a cat. the dog gives up and slows down to a stop in 3.1 seconds…

A: Given: A dog is running at u = 8.25 m/s finally the dog stop in t = 3.1 seconds final speed of the…

Q: A roller coastre car rapidly picks up speed as it roles down a slope.  As it starts down the slope,…

A: The given values are,

Q: A truck accelerates from the speed of 5.5 M/S to 8.0 M/S in 7.5 seconds. What is the average rate of…

A: The average acceleration can be given by aavg=∆v∆t

Q: A marble rolling down a ramp accelerates from rest to a velocity of 6.00 m/s in a distance of 4.00…

A:

Q: The acceleration of a ball as it rolls down a ramp is 4 m/s2. The ball is referred to 2 s after it…

A: Apply the kinematics formula,  S=ut+12at2 Given : Acceleration a=4 m/s2 Time t=2 s

Q: A 510 kg elevator accelerates upward at 1.5 m/s? for the first 11 m of its motion.

A: solution is given as

Q: Vhat is the value of acceleration due to gravity in cm

A: We have to convert the value of Acceleration due to gravity in cm/s2

Q: A ball starts with an initial speed of 4.00 m/s and rolls down an incline with an acceleration of…

A: initial speed = 4 m/sacceleration = 2 m/s2 final speed = 8 m/slength of incline ??

Q: While traveling along a highway a driver slows from 24 m/s to 15 m/s in 12 seconds. What is the…

A:

Q: You are driving home from school steadily at 93 km/h for 160 km . It then begins to rain and you…

A:

Q: A plane trying to land hits the ground at a speed of 100 m/s. If the acceleration of the plane is 5…

A: Given :- initial speed u= 100 m/s           Acceleration of plane a= 5 m/s2          Final speed v=0…

Q: If the acceleration is in the opposite direction of motion, then the object is a) traveling in the…

A: Acceleration is a term used under the context of kinematics which is defined as a change of velocity…

Q: A baseball pitcher delivers a fast ball. During the throw, the speed of the ball increases from 0 to…

A:

Q: 4. A car speeds up from rest to +16 m/s in 4 s. Calculate its acceleration. 5. A car slows down from…

A: Given: Initial speed = 0 Final speed = 16 m/s Time taken = 4 seconds

Q: A body falls freely from rest. Find a) the distance its fall in 3 s, b) its speed after falling 1…

A: Since the body is falling freely, its initial velocity will be zero and it will fall with an…

Q: A ball is thrown straight up into the air. Just before hitting the ground does the acceleration…

A:

Q: A train that took 45 minutes to travel a 24 km long jourmey with seven stations. It stopped for a…

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 –