A constant horizontal force of 290 n is exerted by a string, Ask an Expert

Academics

A constant horizontal force of 29.0 N is exerted by a string attached ot a 3.4 kg block being pulled across a table top. the block also experiences a frictional force of 7.0 N due to contact with the table.

A) what is the horizontal acceleration of the block?

B) If the block starts from rest, what will its velocity be after 2.5 seconds. Show work please.

View complete question

Physics, Academics

Category:- Physics
Reference No.:- M91698517

Have any Question?Write your Review or question?

Related Questions in Physics

Question a point charge q1 240 icircfrac14c is held

Question: A point charge q1 = +2.40 Î¼C is held stationary at the origin. A second point charge q2 = -4.30 Î¼C moves from point a (x = 0.150 m, y =0) to point b (x = 0.250 m, y = 0.250 m). What is the electric potential ...

Question r 1097107 m-1a what is the wavelength of the line

Question: R= 1.097*10^7 m^-1 A) What is the wavelength of the line corresponding to n=4 in the Balmer series? B) What is the wavelength of the line corresponding to n=5 in the Balmer series? C) What is the smallest wavel ...

Question the superheroine xanaxa with a mass of 659 kg is

Question: The superheroine Xanaxa, with a mass of 65.9 kg, is in a hair-raising chase after the 76.1-kg arch-villain Lexlax. She leaps from the ground to the top of a 183-m-high building, then dives off and comes to rest ...

The equation for motion for the ideal spring-mass system

The equation for motion for the ideal spring-mass system as derived in class is, ma+kx=0, where, m=mass, a=acceleration, k=spring stiffness, and x=displacement. 1) Describe briefly how the equation for motion arises from ...

Question a student standing in a canyon yells echo and her

Question: A student standing in a canyon yells "echo," and her voice produces a sound wave of frequency of f = 0.56 kHz. The echo takes t = 3.5s to return to the student. Assume the speed of sound through the atmosphere ...

Question the specific heat capacity of water is 4190 jkg k

Question: The specific heat capacity of water is 4190 J/kg K, its heat of melting is 3.33 x 10^5 J/kg, and its heat of vaporization is 22.6 x 10^5 J/kg. For 1 kg of water, which of the following requires the most thermal ...

A woman wishing to know the height of a mountain measures

A woman wishing to know the height of a mountain measures the angle of elevation of the mountaintop as 12°. After walking 1.23 km closer to the mountain on level ground, she finds the angle to be 15.8°. Find the height o ...

Question pennies today are copper-covered zinc but older

Question: Pennies today are copper-covered zinc, but older pennies are 3.1 g of solid copper. What are the total positive charge and total negative charge in a solid copper penny that is electrically neutral?The density ...

Question the pressure at the top of the water in a citys

Question: The pressure at the top of the water in a city's gravity-fed reservoir is 1.0 x 105N/m2. Part A: Determine the pressure at the faucet of a home 39 m below the reservoir. Express your answer to two significant f ...

Qestion a spring of negligible mass has force constant k

Question: A spring of negligible mass has force constant k = 1500N/m . Part (a): How far must the spring be compressed for an amount 3.40J of potential energy to be stored in it Part(b): You place the spring vertically w ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Physics Expert