### A pendulum is constructed by attaching a small metal ball

Assignment Help Physics
##### Reference no: EM13543550

A pendulum is constructed by attaching a small metal ball to one end of a 1.25 m long string that hangs from the ceiling. the ball is released when it is raised high enough for the string to make an angle of 30.0 degrees with the vertical. how fast is it moving at the bottom of its swing?

### Write a Review

#### How fast was the volkswagen going just before the impact

The stoplight had just changed and a 1900kgCadillac had entered the intersection, heading north at 3.4m/s , How fast was the Volkswagen going just before the impact

#### Find the rms value of the electric field in the laser beam

A laser emits a cylindrical beam of light 2.6 mm in diameter. what is the rms value of the electric field in the laser beam

#### Statements is true for an elastic collision

Which of the following statements is true for an elastic collision?

#### Total translational kinetic energy of the gas molecules

A professor's office door is 0.94 wide, 2.2 high, 4.0 thick; has the mass of 23, and pivots on frictionless hinges. A "door closer" is attached to door and top of the door frame. When the door is open and at rest, the door closer exerts a torque of 5..

#### What is the average force that the racket exerts on the ball

A tennis player swings her 1000g racket with a speed of 12m/s . She hits a 60g tennis ball that was approaching her at a speed of 17m/s. what is the average force that the racket exerts on the ball

#### Find the magnitude of the acceleration of a modified

What is the magnitude of the acceleration of a modified Atwood machine if the mass of the cart is 3 kg and the hanging mass is 12 kg

#### Compute how many joules of energy does the battery lose

A 12 V battery causes a current of 0.7A through a resistor. How many joules of energy does the battery lose in a minute

#### Find the instantaneous acceleration of the puck

Two hockey players strike a puck of mass 0.158 kg with their sticks simultaneously, exerting forces of 1.17 103 N, directed west, and 9.90 102 N, Find the instantaneous acceleration of the puck

#### What is the tension in the string as the block falls

A mass m1 = 3.8 kg rests on a frictionless table and connected by a massless string over a massless pulley to another mass m2 = 5.5 kg which hangs freely from the string, What is the tension in the string as the block falls

#### What is the hydroxide-ion concentration of this solution

A solution has a hydronium-ion concentration of 1.0 x 10-5 mol per liter. What is the hydroxide-ion concentration of this solution

#### Find the energy released in the explosion

find the potential difference VB - VA, using the blue path.

#### Find the constant speed of the stone

The centripital force of 45N is required to resolve a stone of mass 100g along a circular path of radius 50cm. Find the constant speed of the stone 