Answered: A student releases a marble from the… | bartleby

Related questions

Question

A student releases a marble from the top of a 160cm ramp. The marble increases speed steadily and reaches the bottom of the ramp in 2.70s.

a)What was the magnitude of the marble's acceleration?

b)What was the marble's final speed?

Expert Solution

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Blurred answer

Similar questions

A typical sneeze expels material at a maximum speed of 55.4 m/s. Suppose the material begins inside the nose at rest, 2.00 cm from the nostrils. It has a constant acceleration for the first 0.250 cm and then moves at constant velocity for the remainder of the distance. A) What is the acceleration as the material moves the first 0.250 cm? B) How long does it take to move the 2.00-cm distance in the nose? C) Which of the following is the correct graph of vx(t) if the sneeze expels material at a maximum speed of 44.0 m/s and has a constant acceleration for the first 0.250 cm and then moves at constant velocity for the remainder of the distance?
You have two stones in your hands, and you are standing on a bridge. You throw the first stone with a velocity of 8.00 m/s upward. One second later, you let drop the second stone. Both stones hit the water below the bridge at the same time. a)For how much time is the first stone in free fall? b)What is the distance from your hand to the water? c) What is the velocity (magnitude and direction) of the first stone when it hits the water?
You throw an object up with an initial velocity of voy=13 m/s from a height of y=25 m. Part a) How long, in seconds, does it take for the object to reach the ground? Part b) What is the object's final velocity, in meters per second, as it impacts the ground? Part c) Find the time, in seconds, if you instead threw the object down with the same velocity, voy?
The acceleration of a bus is given by a, (t) = at, where a = 1.25 m/s³ is a constant. ▾ Part A If the bus's velocity at time ₁1.15 s is 4.90 m/s, what is its velocity at time t₂ = 2.20 s? Express your answer in meters per second. = 7.10 m/s Submit ✓ Correct Correct answer is shown. Your answer 6.78 m/s was either rounded differently or used a different number of significant figures than required for this part. Part B Previous Answers If the bus's position at time ₁ = 1.158 is 6.00 m, what is its position at time (₂2.20 s? Express your answer in meters. ΓΓΙ ΑΣΦ VO z= 7.90 A Submit Previous Answers Request Answer < Return to Assignment P * Incorrect; Try Again; 8 attempts remaining You may have omitted the initial velocity of the bus. Provide Feedback ? m
A woodpeckers brain is specially protected from large decelerations by tendon-like attachments inside the skull. While pecking a tree, the woodpeckers head comes to a stop from an inital velocity of 1 m/s in only 1.5 mm. A) Find the acceleration of the woodpeckers head. B) The tendons cradling the brain stretch, increaing the stopping distance for the brain to 5 mm. What is the brain's acceleration? C) A woodpecker's brain has a mass of about 2 g. What force is exerted on the tendons holding the brain and how does it compare to a 170 g woodpecker's body weight?
Two people each kick identical balls at the same angle. Person A kicks it at three times the speed of person B. How many times higher does A's ball go than B's? 0 3 O 0.33 O 4
A student fires a cannonball vertically upwards with a speed of 39.0m/s. Determine all unknowns and answer the following questions. Neglect drag and the initial height and horizontal motion of the cannonball. What was the cannonball's maximum height? unit How long did the cannonball rise? unit What was the cannonball's total flight time? unit check answers cannot be de Unit 12: forces and motion review, one-dimensional motion problems Desmos Scientific Online Calculator
7. The height of a helicopter above the ground is given by h =20.0 t-5.0 t where h is in meters and t is in seconds. At t=1.00 s, the helicopter releases a small mailbag. a) What is speed of a mailbox before hint to the ground? b) How long mailbox in air? 8. Starting from rest at 5 m from origin, a small still ball's horizontal component of velocity is 90.0 mile/hour in a straight line in 10.0 s. Ball's acceleration is constant during the entire motion, what is ball's final position?
A particle has an acceleration of a=2i + (t-1)j The velocity at t=0 is v0=-2i + 0j and is at the origin at t=0 What is the y position when the x velocity is zero? answer in m
A car traveling 56.0 km/h is 23.0 m from a barrier when the driver slams on the brakes. The car hits the barrier 2.05 s later. a) What is the magnitude of the car's constant acceleration before impact? b) How fast is the car traveling at impact?
A particle at rest undergoes an acceleration of 2.1 m/s2 to the right and 3.9 m/s2 up. a)What is its speed after 5 s in m/s? b)What is its direction with respect to the horizontal at this time? Answer between −180◦ and +180◦.
A cyclist rides down a long straight road at a velocity (in m/min) given by v(t) = 400 - 20t, for 0≤t≤ 10. a. How far does the cyclist travel in the first 3 min? b. How far does the cyclist travel in the first 10 min? c. How far has the cyclist traveled when his velocity is 350 m/min?

SEE MORE QUESTIONS