After completing a turn, a cyclist is travelling west at 30 km/h. If his change in velocity was 10km/h [S], what is his initial velocity? Include a diagram.
Q: Cars drove up the slope at a steady pace.20 m/s the bottom of the slope 30 m/s If the deadline for…
A:
Q: A student drops a ball from a height of 37.0m. If the ball increases speed at a uniform rate of…
A:
Q: A motorcycle travels 80 m [north] in 15 s. The motorcycle then turns around and travels 60 m [south]…
A:
Q: Your friend describes the motion of a car using this phrase: “The car rounded the turn at a constant…
A: The car rounded the turn at a constant velocity of 45 miles per hour.” Statement is wrong.
Q: A car drives horizontally off a 73 m high cliff at a speed of 27 m/s. Ignore air resistance a) How…
A: Given, Height of cliff,h=73 m Horizontal speed,v=27 m/s
Q: What is its average velocity during the 1st second? What is its average velocity during the 2nd…
A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…
Q: how can i find the acceleration by using kinematic equations?
A: As we know, there are three famous kinematic equations at constant acceleration, we can calculate…
Q: A ball is thrown directly downward with an initial speed of 6.77 m/s from a height of 47.2 m. After…
A:
Q: You have exactly 5 minutes 20 seconds to get to your next class on time and that classroom is 448 m…
A:
Q: Q2: A long freight train travelling at 120 km/h (towards the east on a straight track) needs a…
A: Using kinematic equation we can find the required values since mass of the train is not given. Given…
Q: A parcel of air moving in a straight tube with a constant accelaration of -4.00m/s2 has a velocity…
A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…
Q: How do you calculate the total time a projectile is in flight given only the initial velocity and…
A:
Q: A road will be built from city A to city B through vacant land with a distance as shown in the…
A: Here is a very very interesting question. From this we will know that shortest distance between two…
Q: 2-19 A plane flies south at 500 km h for 2 h and then flies west at 500 km hwest for. I h. (a) What…
A: Given that: v1=500 km/h for t1=2h towards south.v2=500 km/h for t2=1 h towards east. It is…
Q: basketball is rolling rightward onto the court with a speed of 4.0 m/s and slows down with a…
A: Given: The initial speed of the object is 4 m/s rightward. The magnitude of the acceleration is 0.5…
Q: You throw a rock upward. The rock is moving upward, but it is slowing down, If we define the ground…
A:
Q: What is the object's average velocity? Velocity (m/s) 180 160 140 120 100 80 60 40 20 0 0 5 10 15 20…
A: The average velocity of an object is defined as the velocity of the object averaged out over a…
Q: An object moving along a horizontal surface at 2 m/s suddenly accelerates at 4m/s^2 for 1 minute.…
A: Given values: Initial velocity, u=2 m/s Acceleration, a=4 m/s2 Time, t=1 minute
Q: What is the velocity of a car that travels from mile marker 250 on I-10 to mile marker 31 on I-10 in…
A: Velocity of the car
Q: the leprechaun in the shamrock patch was named O'Malley and since he was disrupted from sitting in…
A:
Q: A cyclist rides 5.4 km east for 18 minutes, then he turns and heads west for 7 minutes and 2.1 km.…
A: As per guidelines only one question is solved here. Let the motion in east be +ve and in west be -ve…
Q: A baseball fan sitting in the "cheap seats" is d = 130 m from home plate (see the figure below). How…
A:
After completing a turn, a cyclist is travelling west at 30 km/h. If his change in velocity was 10km/h [S], what is his initial velocity? Include a diagram.
Step by step
Solved in 2 steps with 1 images
- A plane is flying to a city 716 km directly north of its initial location. Therefore the only component of the planes velocity relative to the earth most always be north The plane maintains a speed of 203 km/h relative to the air during its flight. The air is not standing still but has speed of 51.5 km/h relative to the earth. .(Let trhe +x-axis point East and the and the +y-axis point North) Let p=Plane, a =Air. e=Earth Using double subscript notation and write the vector components for the velocity of the Plane relative to the EarthA plane is flying to a city 716 km directly north of its initial location. Therefore the only component of the planes velocity relative to the earth most always be north The plane maintains a speed of 203 km/h relative to the air during its flight. The air is not standing still but has speed of 51.5 km/h relative to the earth. .(Let the +x-axis point East and the and the +y-axis point North) Let p=Plane, a =Air. e=Earth Using double subscript notation and write the vector components for the velocity of the Plane relative to the Earth (1) Vpex = (2) Vpey = + From the given the velocity of the plane relative to ground always has a "x-component" (east-west direction) of (3) Vpex = From the given the magnitude of the velocity of the plane relative to the air always is km (4) |Vpa| = hr From the given the magnitude of the velocity of the air relative to the air always is km (5) |Vae = hr Therefore , from equation (1) and (3) the angle the plane must fly at relative to the air direction can…A motorcycle travels 80 m [north] in 15 s. The motorcycle then turns around and travels60 m [south] in 10 s. Refer to the information in Motorcycle to answer the following question. The displacement of the motorcycle, at the end of the 25-s interval, is
- Which of the following graphs applies to each situation? Each graph shows the behaviour of two objects; east is in the direction of positive d. (E.g., if graph A applies to situation 1, and C to the rest, enter ACCCCC)1) An initially moving truck speeding up eastward and a westward moving truck slowing down.2) A car, initially at rest, accelerating and a car moving initially at constant speed applying the brakes until it stops.3) A train, initially moving at a steady speed, has brakes applied to match the speed of a train on a parallel track.4) A jogger overtaking a walker.5) A ball thrown upward and a ball thrown downward at the same time with the same initial speed.6) An eastward moving truck applying the brakes and a westward moving truck speeding up.How do you calculate (a) its average speed and (b) its average velocity for the entire trip, using "away from the trainer"as the positive direction.Question 4 (1 point) For the same system: A cannon is fired with an initial velocity of 90 m/s at an anglelof 35 above a level field. The cannonball strikes the tallest tower of the castle, 4.3 s after it is fired. Vo Ax What is the approximate magnitude of the cannonball's velocity when it impacts the tallest tower? NOTE: this diagram is NOT to scale!
- acceleration due to gravity on Earth is -10m/s?.) A race car accelerates uniformly from 18.5 m/s to 46.1 m/s in 2.47 seconds. Determine the acceleration of the car. Also, Calculate the distance the object traveled.A truck is traveling east at 82 km/h. At an intersection 34 km ahead, a car is traveling north at 60 km/h. (a) How long (in minutes) after this moment will the vehicles be closest to each other? b) How far apart will they be at that point (in km)?A ball is thrown vertically upwards with a velocity of 20 m / s. Calculate: a) What distance does it travel at 2 seconds and what magnitude of speed does it take at 2 seconds?b) What is the maximum height?c) How long does it last in the air?
- A woodchuck runs 22 m to the right in 9 s, then turns and runs 11 m to the left in 4 s. (Assume motion to the right is positive. Where applicable, indicate the direction with the sign of your answer. Enter your answers in m/s.) (a) What is the average velocity of the woodchuck? m/s (b) What is its average speed? m/sIf a boat achieves a speed of 6.0 m/s in 12s, what is the boats average acceleration? (b) then, in 4.0 more seconds the boats speed is 10 m/s. What's is the boats average acceleration for the total time?During its motion (after it leaves the hand and before it returns), doesthe eraser ever have an acceleration of zero? Explain.