# PHYSICS1

14 results

**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?

**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?

**college physics1**

A stone is dropped from rest from an infinitely tall building. Compute its velocity after 2 seconds

**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

**PHYSICS1**

Calculate the range (using g=9.8m/s) and the height of the pumpkin using the initial speed ( 18m/s), half-time (1.7) and angle (75).

**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°?

**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

**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.

**physics1**

What is the magnitude of your total displacement if you have traveled due west with a speed of 23 m/s for 125 s , then due south at 12 m/s for 255 s ? Express your answer using two significant figures. What is the direction of your total displacement in part A.

**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

**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 ...

**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 ...

**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...

**physics1**

Vector A has a magnitude of 6 and is at an angle of 32.4 degrees measured counter-clockwise from the x axis. Vector B has a magnitude of 12 and is at an angle of 113.8 degrees measured counter-clockwise from the x axis. Vector C has a magnitude of 17 and is at an angle of 180 ...

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