Saturday

December 20, 2014

December 20, 2014

Number of results: 11

**physics1**

A bus that is traveling at 30.0 km/h speeds up at a constant rate of 3.5 m/s^2. what velocity does it reach 6.8 seconds later?
*October 13, 2011 by ...*

**physics1**

A bus that is traveling at 30.0 km/h speeds up at a constant rate of 3.5 m/s^2. what velocity does it reach 6.8 seconds later?
*October 13, 2011 by ...*

**college physics1**

A stone is dropped from rest from an infinitely tall building. Compute its velocity after 2 seconds
*September 10, 2013 by jenny*

**physics1**

at a playground a child slides that makes a 42 degrees angle with the horizontal direction.The coefficient of kinetic friction for this motion is 0.20 What is the magnitude of her acceleration during her sliding
*March 12, 2012 by thandeka*

**Physics1**

A vector is drawn with its tail at the origin of an xy coordinate system. In which quadrant does the vector point if the angle with respect to the positive direction of an x axis is -135°?
*September 10, 2014 by Alex*

**Physics1**

When a mass of 21 g is attached to a certain spring, it makes 23 complete vibrations in 5.0 s. What is the spring constant of the spring? Answer in units of N/m
*February 16, 2012 by Eddy*

**Physics1**

A 0.50 kg gold coin is sliding across a frictionless surface with velocity of 1.0 m/s due east when it collides with a 0.040 kg silver coin sliding at 5.0 m/s due northwest.
*August 30, 2011 by Sarah*

**Physics1**

Four point charges are placed at the four corners of a square. Each side of the square has a length L. Find the magnitude of the electric force onq2 due to all three charges q1, q3 and q4 for L = 1 m and all q = 1.55 C. Answer in units of N
*February 12, 2012 by jc*

**physics1**

A 850-kg race car can drive around an unbanked turn at a maximum speed of 61 m/s without slipping. The turn has a radius of 160 m. Air flowing over the car's wing exerts a downward-pointing force (called the downforce) of 11000 N on the car. (a) What is the coefficient of ...
*February 14, 2011 by Gina*

**PHYSICS1**

A particle moves along a circular path over a horizontal xy coordinate system, at constant speed. At time t1 = 4.90 s, it is at point (5.30 m, 5.30 m) with velocity (2.20 m/s) and acceleration in the positive x direction. At time t2 = 14.0 s, it has velocity (–2.20 m/s) and ...
*February 5, 2013 by Bader*

**Physics1**

Two blocks are initially held at rest on 30° frictionless ramps . The 4 kg block is 1.25 m from the base of the ramp and the 3 kg block is 5 m above the base of the ramp. The two blocks are then released and slide down the ramps and onto a frictionless horizontal surface. The ...
*November 17, 2009 by Jon Routh*

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