Answered: If a body is accelerating at a = 5t² -…

If a body is accelerating at a = 5t² - 2t where t is in seconds, determine the average acceleration during the 3rd second. 26.7 ft/s²

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter4: Motion In Two And Three Dimensions

Section: Chapter Questions

Problem 80AP: A particle travels m a circular orbit of radius 10 m. Its speed is changing at a rate of 15.0m/s2 at...

See similar textbooks

Related questions

Q: 1. A motorcycle from rest accelerates uniformly over a time of 5.0 s and covers a distance of 20…

A: Given in question - Initial speed(u) = 0 {since starts from rest}…

Q: Q3) Calculate that [Ĥ‚P]

Q: Over the course of an 8 hour day, 3.8x104 C of charge A 0.50-W, 220- 2 resistor carries the maximum…

Q: Potential difference between two points of a wire carrying 30 amperes Current is 12 volt . Calculate…

A: Given data : Potential difference = V Current = i…

Q: 1) All of the material from which Earth is formed came from a massive stellar explosion – a…

A: Given that:- Initially amount of both U-238 and U-235 are same

Q: A grating is made of exactly 8000 slits; the slit spacing is 1.40 μm. Light of wavelength 0.600 μm…

Q: Which of the following statements is false? (a) Gaps need to be left in lengths of railway lines…

A: (1)Gaps need to be left in lengths of railway lines to prevent buckling in hot weather It is a true…

Q: Which of the following describes the spacetime diagram of a rocket frame moving at a velocity 3 =…

A: Since you have posted multiple questions we will solve the first one only as per Bartleby Q&A…

Q: IS

Q: 3. Gravitational forces and electric forces are both a. Forces with attractive and repulsive…

Q: Experimentally, the magnetic flux On in a solenoid was measured for various currents I. The data was…

A: Given The data or current and magnetic flux and we have to find the inductance of the solenoid?.

Q: 1. Suppose the pulley in Figure2 is suspended by a cord C. Determine the tension of cord connecting…

A: We have two masses mA=24.32 kg and mB=32.80 kg, let the tension on the cord be T and acceleration of…

Q: The lens and mirror in the figure below are separated by 1.00 m and have focal lengths of +80.9 cm…

Q: Course Home <Homework #4 Exercise 8.16 Part A Starting at t 0s, a horizontal net force F=( 0.285 N/s…

A: Given: The force on the object is. F=0.285 N/st i^+-0.65 N/s2t2 j^…

Q: The normal body temperature is 98.60F . What is the normal body temperature in 0 C? Select

A: normal body temperature is 98.60F . What is the normal body temperature in 0 C?

Q: A uniform crate with a mass of 39 kg must be moved up along the 15 incline without tipping. The…

Q: A battery has an EMF of 24.0 V and an internal resistance of 'r. Its terminals are connected to a…

Q: The coefficient of heat expansion for Aluminum is 2.4 ×10−5 °C−1. A 360 m bridge made of aluminum…

A: Given heat expansion for Aluminum = 2.4 ×10−5 °C−1 initial length of bridge = 360 m Change in…

Q: Estimate the energy per second (power) radiated from the Sun assuming its surface temperature is…

Q: In your own words, Explain How do traffic lights help regulate

A: traffic lights help regulate the flow of traffic by these ways.

Q: An electric circuit has a battery with an EMF of 1.50 V. Its positive terminal is connected to its…

Q: A block with mass m =6.5 kg is hung from a vertical spring. When the mass hangs in equilibrium, the…

Q: Which of the following accurately describes Gauss's law for the electric field and magnetic field?…

Q: An unstretched spring is 10 ft long. A pull of 40 lb stretches the spring by ½ ft. Find the work…

Q: What I Have Learned A. Directions: Complete the concept map using the words listed inside the box.…

A: Motion is a relative term. The motion are mainly of two types. One is uniform motion and other is…

Q: A circular loop of wire of radius r = 1.0 m is placed in a region where an external uniform…

Q: Assume you are at the park watching a baseball game. After a bat connects with a ball, the ball…

A: Motion of ball takes place after it is hit by bat .

Q: s)Consider the circuit shown below. The terminal voltage of the battery is V = 18.00 V. (a) Find the…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: pool? 45.0 cm 1.90 m

Q: An ideal gas with energy E = NKBT is subjected to a cyclic, quasi-static (i.e. reversible) process…

A: GIVEN Ideal gas with energy = 5/2 NkBT Given PV curve To find out Heat absorbed by the gas during…

Q: A mass of 0.01 kg is suspended from a light spring of natural length 80 mm and causes the spring to…

Q: 9. When a load of 10 kg is hung from the wire, then extension of 2 m is produced. Then work done by…

Q: What current flows through the bulb of a 3.00 V flashlight when its hot resistance is 3.60 Q? The…

Q: 1. The total charge entering a terminal is given by g = 2e* cos (6nt), in µC. Determine the current…

Q: The velocity of an automobile starting from rest is given by ds 90t dt t + 10 Where distance is in…

Q: Thank you! A 77.8-Hz sound wave is barely audible at a sound intensity level of 60.0 dB. The density…

Q: 15. A body of mass 5 kg is moving with velocity of v = (21+ 6j) ms-' att = 0s. After timet =2 s,…

Q: A van has lost its brake and falls into a 25.0-meter-deep ravine and lands at a distance of 30.0 m…

A: Given:- Depth of the ravine is d=25.0 m The van lands at a distance dx=30.0 m from the edge of the…

Q: The normal body temperature is 98.60F

A: Solution

Q: 1. A solid block of gold weighs 70 N in air. The block is suspended from rope and totally immersed…

A: Part (1): Given: The weight of the gold inside the air is 70 N. The density of gold is 19300 kg/m3.…

Q: Two children push on opposite sides of a door during play. Both push horizontally and perpendicular…

A: Two children are pushing on opposite sides of a door force exerted by thye first child = 19.5 N aat…

Q: 1. A Carnot engine works at high temperature 600 Kelvin with the efficiency of 40%. If the…

A: Given A Carnot engine works at high temperature 600 Kelvin efficiency = 40%. If the efficiency of…

Q: Blue light travels with a wavelength of 450 nm in air. What is its wavelength when traveling in…

Q: The conventional sampling theorem states a signal x(t) must be sampled at a rat its bandwidth (a…

Q: A jet plane flies at an altitude of 2,000 meters. An observer on the ground notes that he hears the…

Q: A ball is dropped from a building 100m high. If the mass of the ball is 10 grams, after what time…

Q: Estimate the diameter of the bore (hole where patient enters) an MRI machine should be to have a…

A: Magnetic field inside the machine B=6.67*10-2T, number of loops of windings N=4255 and current…

Q: In the circuit below, after a long time, how much charge is on the 400 mF capacitor? :100mF :500mF…

Q: X-rays strike a stationary electron. When the x-ray photon scatters at an angle of 15 degrees it has…

A: Energy of x photon when scattered at 15° = 12.39kev θ=15° E =hcλ λ' =hcE

Q: - = (2i+ 6j) ms-' att = 0 s. After timet =2 s, velocity of body A bódy of city of s (10î + 6j), then…

A: The change in momentum of an object is its mass times the change in its velocity. Here, we calculate…

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

If a body is accelerating at a = 5t² - 2t where t is in
seconds, determine the average acceleration during the
3rd second.
26.7 ft/s²

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 with 2 images

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

6. A bicyclist rides at 430 ft/min. If they ride for 45 min, how far have they 6. A bicyclist rides at 430 ft/min Tf they ride for 45 min, how far have they gone? a. 0.105 ft 9.56 ft 19350 ft d. 475 ft e. 430 ft
wHillary clintun steris at her prison celldoor and walks 20m tD the ea t followed by lom to the north, then 5m west to reach thhe mess hallewhat was her displacement tor this walle in magnitule- dincetion for mat? A) 26,9 m at 33,7 N of E BIS.4m at 21,8 N of w ois.om at 33,73N of E D 8,0m at 2),80 N of w D18.0m mat 21.o Nof E
The exhaust fan in a factoryy moves 40OCEM Cubic feet per minute)through the building. Giren that I.00 ini= 2.54 cm, how many cubic meters per second of freshair does this fan move ? Ao.298m²/sec B22.7 m3/sec cle°/sec m²/sec 189 m 3 D/2.05 m
What is the magnitude of the resultant of the following: d1=55 m, east; d2=25 m, north? a. 8.94 m b. 40 m c. 60.42 m d. 80 m
10. DETAILS SERPSE9 3.P.020. A girl delivering newspapers covers her route by traveling 5.00 blocks west, 3.00 blocks north, and then 7.00 blocks east. (a) What is her resultant displacement? north of east (b) What is the total distance she travels? blocks MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER
A cannonball is shot with an initial speed of 66 m/s and 37.0º angle with respect to the ground. How long does it take for the ball to reach its the maximum height, in seconds? Use g = 10.0 m/s2. Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.
Physics 30S Science & Technology 2240 Grant Ave. Winnipeg. MB R2C IL6 Shaflesbury High School Motion: Speed/Velocity & Acceleration Ad V = At a = Average Velocity, 1. A man jogs 5.0 km (5000 m) in 27 minutes. a) What is the time interval (At) in seconds? b) Calculate his average speed in metres per second (m/s). Average Acceleration, At 2. An object has a position of 13 metres west. 5.0 seconds later it's at 7 metres east. a) What was the initial position? b) What was the change of position or displacement (Ad)? c) What was the average velocity? 3. A world class sprinter runs 100.0 m in 8.90 s. What was his average speed? 4. A hiker gets lost in a forest. He walks half-way around a circle with a radius of 2.1 km in 2.0 hours. a) What distance did he walk? b) What was his average speed? c) What was his displacement? d) What was his average velocity? WE S C-2rr 5. A car has an average highway speed of 90 km/h or 25 m/s. At this speed; how long will it take to drive to Kenora which is 190…
m/S Tara walks two miles north from her door to the park, then returns home to her door. What distance did she travel? miles come bak ter DELL OIl 5S e t h k d. b V alt ct alt
Find the following for path A in Figure 3.54: (a) the total distance traveled, and (b) the magnitude and direction of the displacement from start to finish.
A particle travels m a circular orbit of radius 10 m. Its speed is changing at a rate of 15.0m/s2 at an instant when its speed is 40.0 m/s. What is the magnitude of the acceleration of the particle?
A particle travels in a circle of radius 10 m at a constant speed of 20 m/s. What is the magnitude of the acceleration?
A cyclist rides 5.0 km due east, then 10.0 km 20 west of north. From this point she rides 8.0 km due west. What is the final displacement from where the cyclist started?