Answered: 8. Distance = 28 m, acceleration = 1 m…

8. Distance = 28 m, acceleration = 1 m s-2, time taken = 4 s. Find the initial velocity. a) 3m/s b) 5m/s c) -3m/s d) -5m/s

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter2: Kinematics

Section: Chapter Questions

Problem 21PE: A well-thrown ball is caught in a well-padded mitt. If the deceleration of the ball is 2.10104 m/s2,...

See similar textbooks

Related questions

Q: • 2. An arrow is shot upward from the top of a 740 ft building with an initial velocity of 68 ft/s.…

A: Disclaimer: “Since you have asked posted a question with multiple sub-parts, we will solve the first…

Q: a. Solve for the electrical force on the 7 C charge if it is 5 m from -2 C charge. b. When a piece…

Q: b) A horizontal force of 25 N acts on a 0.30 kg toy trolley to accelerate it uniformly along a…

A: Given data, Horizontal force (F)=25 N Mass of the toy trolley (m)=0.30 kg Traveled distance (s)=35 m

Q: Using Kirchhoff's Laws, what can you deduce about the properties of a gas if it is giving off a…

Q: A light, with wavelength of 1 = 550 nm, passes through a slit and shines on a screen that is at a…

Q: A capacitor has an intial charge 8.3 Coul. If the current flows through it is given by the equation…

Q: 213. The rigid bar AB, attached to two vertical rods as shown in the figure, is horizontal before…

Q: What is the rate of heat conduction through the 3.61-cm-thick fur of a large animal having a…

Q: An arrow is shot upward from the top of a 740 ft building with an initial velocity of 68 ft/s. 1.…

Q: 3- Consider an aluminum cylindrical specimen with a cross section area of ( 7.85 x 10-5 m) and a…

Q: Part A Silver has a Fermi energy of 5.48 eV. Calculate the electron contribution to the molar heat…

Q: 2-m long aluminum rod at 27°C is heated until it is 2.000236m at 77°C. what is the coefficient of…

Q: How much current does a long wire carry if it produces a magnetic field of magnitude 3.4 microteslas…

Q: Which of the following represents the characteristic curve of a copper wire?

A: Current is defined as a charge flowing through a circuit per unit of time.

Q: compare the effects of a force exerted on an object and the torque exerted on an object

A: Given: compare the effects of a force exerted on an object and the torque exerted on an object

Q: A current of 1.97 A flows through an annealed copper wire 2.25 m long and 1.47 mm in diameter. Find…

A: Current, I = 1.97 A Length, L = 2.25 m Diameter, d = 1.47 mm = 0.00147 m Conductivity, σ = 5.81×107…

Q: A space agency sent a satellite to a nearby planet to take photographs over a period of several…

Q: A container has a vertical tube, whose inner radius is 24.00 mm, connected to it vn in the figure.…

A: Given:- A container has a vertical tube, whose inner radius is r = 24.00 mm. An unknown liquid…

Q: 1 Polarizers I000 Three polarizers are arranged as shown in the figure. The second polarizer is…

Q: If the mass of the Earth is.. (see step #4) e. .. increased by a factor of 2, then the F is by a…

Q: What would be the final temperature of a mixture of 100 g of water at 90°C and 600 g of water at…

A: We know thatQ=mC(Tf-Ti)WhereQ=Heat energym=mass of materialC=Specific heat capacityTf=Final…

Q: A current, i(t) = 50 cos(100t) enters the input terminal of an electric device. What is the charge q…

Q: 10^9 J of heat is transferred into the engine, at a temperature of 575 K? (a) What is the work…

Q: A 2500-N force is used to pull a cart at 30° against the horizontal in 10.0 minutes. If the power…

Q: A 0.25-kg block oscillates on the end of the spring with a spring constant of 200 N/m. What is the…

Q: Questien Completion Statu QUESTIONS See You put a red piece of tabric (Fabric A) and a blue piece of…

Q: A 1968 Dodge Charger accelerates from 20 mph to 80 mph over 12 sec. assume constant speed find…

Q: 7. A girl throws a rock off of a cliff at an angle 40 from horizontal as shown below. If she hears…

A: In projectile motion there is no acceleration in horizontal direction so horizontal velocity remains…

Q: 10. Red light with a vacuum wavelength of 620 nm is incident from air on a piece of glass (n = 1.52)…

A: wavelength of red light = 620 nm refractive index of glass = 1.52 refractive index of thin film =…

Q: If R is the universal gas constant, what is the specific heat of a mole of molecular nitrogen ideal…

A: Here R is the universal gas constant

Q: Which of the following is NOT equivalent to the statement of the second law of thermodynamics?…

A: Let's check each option one by one 1. The entropy of the universe tends to maximum This is the…

Q: which will swing faster? a pendulum with long string or a pendulum with shirt string. Explain fully

A: The period of a simple pendulum is directly proportional to the square root of length of the…

Q: turn D when climb hill but it won't stop..car still going down...it is good condition or not?.. I…

A: when climb hill but it won't stop..car still going down...it is good condition or not?..

Q: A car travels with a constant speed of 15 m/s. The car's engine produces a 4000N pushing force in…

A: Given Data:- Speed of the Carr is v=15 m/s Force produced by the engine of the car is F=4000 N…

Q: DEPTH OF SEAFLOOR. Sound was sent from a surface of an ocean by a ship. After 5.33 s, the reflected…

Q: ENGINEERING APPLICATION. You designed a home that contains 1.00 x 10^5 kg of concrete [specific heat…

A: The heat released released or absorbed when the temperature of an material changes by ∆T is given…

Q: Short Answer Questions - , For the following two questions you will need to either draw a table or a…

A: Only one question per post is allowed please post other question in new post.

Q: A 500 kg elevator cab is descending with speed vo = 4 m/s when the winch system that lowers it…

Q: Use Max Planck's quantum theory to explain the following behaviour of photoelectrons. a,…

A: a. Low-intensity light does not release any photoelectrons. Now the brightness of light is…

Q: When a voltmeter is connected across the terminals of a resistor, what usually happens to the…

A: A voltmeter is an instrument that is used to measure the electric potential difference between two…

Q: A 0.017 kilogram pebble is stuck in a car tire's tread. The radius of the tire is 0.38 m, and it…

Q: A -4.30 µC charge is moving at a constant speed of 7.30 x 105 m/s in the +x-direction relative to a…

Q: Three point charges are shown as below. Find the net force experienced by q2 due to q1 and q3. 200…

Q: *31 (a) At what frequency would a 6.0 mH inductor and a 10 µF capacitor have the same reactance? (b)…

Q: 3. A uniform 40.0 kg ladder of length 5.0 m is leaning against a frictionless wall, as shown below.…

Q: A 450-N is in contact with a level plane of fk = 0.10. If the block is acted upon by a horizontal…

Q: Two boxes are connected by a massless string, passing over a massless frictionless pulley. The boxes…

Q: A 2x103 g metal sphere makes an elastic collision with another metal sphere at rest and continues to…

A: Collisions are of 2 types which are elastic and inelastic. Kinetic energy is conserved in elastic…

Q: Two blocks with masses m1 and m2 are joined by a light string that passes over the pulley with…

A: Given information :- masses of the two blocks m1 and m2 angular acceleration of pulley = α radius of…

Q: A cylindrical tank is half-full of gasoline having weight density of 42 Ibs/ft3. If the axis is…

Concept explainers

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.

Question

8. Distance = 28 m, acceleration = 1 ms-2,
time taken = 4 s. Find the initial velocity.
a) 3m/s
b) 5m/s
c) -3m/s
d) -5m/s

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

A car is traveling at a speed of 38.0 m/s on an interstate high-way where the speed limit is 75.0 mi/h. Is the driver exceeding the speed limit? Justify your answer.
A well-thrown ball is caught in a well-padded mitt. If the deceleration of the ball is 2.10104 m/s2, and 1.85 ms (1ms=103s) elapses from the time the ball first touches the mitt until it stops, what was the initial velocity of the ball?
An object is dropped from a height of 75.0 m above ground level. (a) Determine the distance traveled during the first second. (b) Determine the final velocity at which the object hits the ground. (c) Determine the distance traveled during the last second of motion before hitting the ground.
A student writes, "A bird that is diving for prey has a speed of -10 m / s." What is wrong with the student's statement? What has the student actually described? Explain.
A jogger jogs around a circular track with a diameter of 300 m in 10 minutes. What was the joggers average speed in m/s?
A runner in a marathon passes the 5-mile mark at 1 o’clock and the 20-mile mark at 3 o clock. What is the runner’s average speed during this time period?
What information do you need in order to choose which equation or equations to use to solve a problem? Explain.
On May 26, 1934, a streamlined, stainless steel diesel train called the Zephyr set the world's nonstop long-distance speed record for trains. Its run from Denver to Chicago took 13 hours, 4 minutes, 58 seconds, and was witnessed by more than a million people along the route. The total distance traveled was 1633.8 km. What was its average speed in km/h and m/s?
A convenient time unit for short time intervals is the millisecond. Express 0.0452 s in milliseconds.
A race car traveling northward on a straight, level track at a constant speed travels 0.750 km in 20.0 s. The return trip over the same track is made in 25.0 s. (a) What is the average velocity of the car in m/s for the first leg of the run? (b) What is the average velocity for the total trip?
Give an example (but not one from the text) of a device used to measure time and identify what change in fiat device indicates a change in time.
At a track meet, a runner runs the 100-m dash in 12 s. What was the runners average speed?