Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Physics Expert

The position function x(t) of a particle moving along an x axis is x = 4.0 - 4.5t2, with x in meters and t in seconds. 1) At what negative time does the particle pass through the origin? 2) At what positive time does the particle pass through the origin?

Physics, Academics

  • Category:- Physics
  • Reference No.:- M9376201

Have any Question?


Related Questions in Physics

Question a scalloped hammerhead shark swims at a steady

Question: A scalloped hammerhead shark swims at a steady speed of 1.0 m/s with its 80 -cm-wide head perpendicular to the earth's 56 Â µT magnetic field. What is the magnitude of the emf induced between the two sides of t ...

Question point charges q1 200 muc and q2 -200 muc are

Question: Point charges q1 = +2.00 (mu)C and q2 = -2.00 (mu)C are placed at adjacent corners of a square for which the length of each side is 1.00 cm. Point a is at the center of the square, and point b is at the empty c ...

Question a sump pump used to drain water from the basement

Question: A sump pump (used to drain water from the basement of houses built below the water table) is draining a flooded basement at the rate of 0.55 L/s, with an output pressure of 2.9 Ã- 105 N/m2. a) The water enters ...

Question the tires of a car make 60 revolutions as the car

Question: The tires of a car make 60 revolutions as the car reduces its speed uniformly from 87.0km/h to 64.0km/h . The tires have a diameter of 0.90m. Part A: What was the angular acceleration of the tires? Part B: If t ...

What is the ideal speed to take a 80 m radius curve banked

What is the ideal speed to take a 80 m radius curve banked at a 30.0° angle?

Question a textbook of mass 209kg rests on a frictionless

Question: A textbook of mass 2.09kg rests on a frictionless, horizontal surface. A cord attached to the book passes over a pulley whose diameter is 0.120m , to a hanging book with mass 2.99kg . The system is released fro ...

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 ...

Question a point charge of magnitude q is at the center of

question: A point charge of magnitude q is at the center of a cube with sides of length L. Part A: What is the electric flux ? through each of the six faces of the cube? Use 0 for the permittivity of free space. and Part ...

A rock takes 21 s to hit ground when it is thrown straigh

A rock takes 2.1 s to hit ground when it is thrown straigh up from a cliff with initial velocity of 7.5 m/s. Calculate height of the cliff in m & length it would take to reach the ground if thrown down with same speed.

Question a quarterback is set up to throw the football to a

Question: A quarterback is set up to throw the football to a receiver who is running with a constant velocity v? r directly away from the quarterback and is now a distance D away from the quarterback. The quarterback fig ...

  • 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

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As