Physics 50 example problems Podcast Episodes Online

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Physics 50 example problems Podcast Episodes Online | Radio and Podcast

Episodes

50 of 89 episodes

14-51 Tube of Mercury-fluid mechanics

For a tube containing mercury and water, find the difference in height of the mercury and water using Pascal's law

00:04:27Nov 15, 2006

14-47 Mass of a Planet-fluid mechanics

Given some measurements of the pressure in a fluid taken on the surface of an unknown planet, use Pascal's law and the universal law of grav...

00:04:14Nov 15, 2006

14-37 Airplane Wing-fluid mechanics

Use Bernoulli's Equation to find the force on an airplane wing and then find the net force acting on the airplane.

00:05:51Nov 15, 2006

14-29 Shower Head-fluid mechanics

Use the continuity equation to find the exit velocity for water in a shower head

00:02:26Nov 15, 2006

14-25 Wood Floating in Oil-fluid mechanics

For a block of wood floating on top of a layer of water and below a layer of oil, find its mass and density given how high it is floating

00:05:16Nov 15, 2006

14-7 Gauge Pressure-fluid mechanics

Determine the gauge pressure at a given distance below the surface of a fluid using Pascal's law

00:02:12Nov 15, 2006

14-3 Density of Gold-fluid mechanics

Find the density of a piece of metal given its mass and volume. Is the metal gold?

00:01:35Nov 15, 2006

13-33 Cheese on a Spring-simple harmonic motion

For a piece of cheese oscillating on the end of a spring, find out how far the spring will be stretched when the oscillations stop.

00:05:45Nov 10, 2006

12-9 Gravitational Force Acting on the Moon-gravitation

Find the gravitational force acting on the moon from the Earth and Sun for moon at three different points in the lunar orbit

00:10:13Nov 10, 2006

11-13 Beam in Equilibrium-equilibrium

Find the tension in ropes holding up a beam in equilibrium.

00:13:16Nov 6, 2006

10-63 Block and Cylinder-dynamics of rotational motion

Find the acceleration of a block on a plane that is attached to a rotating cylinder which has non-negligible moment of inertia

00:05:43Oct 25, 2006

10-47 Gyroscope-dynamics of rotational motion

Determine the direction that a gyroscope precesses

00:02:37Oct 25, 2006

10-33 Power of a Motor-dynamics of rotational motion

Determine the lifting capacity of a motor with a given power and rotation rate

00:03:16Oct 25, 2006

10-19 Falling Yo Yo-dynamics of rotational motion

Find the acceleration of a falling yo-yo and the tension in the string as it falls

00:06:09Oct 25, 2006

10-7 Frictional Torque-dynamics of rotational motion

Find the frictional torque necessary to slow a spinning object a given amount in a given time

00:05:31Oct 25, 2006

10-3 Calculating Torque-dynamics of rotational motion

Find the torque exerted on an object by each of three different forces

00:04:31Oct 25, 2006

10-1 Calculating Torque-dynamics of angular motion

Find the torque that a force exerts on a wrench for six different configurations

00:07:33Oct 25, 2006

9-100 Moment of Inertia of a Cone-rotation of rigid bodies

Calculate the moment of inertia for a cone.

00:06:52Oct 17, 2006

9-85 Pulley With Inertia-rotation of rigid bodies

Solve for the speed of a falling block that must pull another block and spin a pulley that has inertia.

00:04:34Oct 17, 2006

9-63 Speedometer-rotation of rigid bodies

Relate the linear velocity of a car to the angular velocity of the axle as read by the speedometer

00:03:58Oct 17, 2006

9-52 Parallel Axis Theorem for a Wheel-rotation of rigid bodies

Use the parallel axis theorem to find the moment of inertia for a wheel rotating about a point on its rim.

00:01:41Oct 17, 2006

9-41 Moment of Inertia of a Wagon Wheel-rotation of rigid bodies

Find the moment of inertia for a wagon wheel given the size and shape of its components.

00:02:00Oct 17, 2006

9-37 Moment of Inertia of a Distribution of Masses-rotation of rigid bodies

Find the moment of inertia for a distribution of masses.

00:05:09Oct 17, 2006

9-29 Drill Speed-rotation of rigid bodies

Determine the linear acceleration of a point on the edge of a drill bit, given its angular velocity.

00:03:18Oct 17, 2006

9-21 Helicopter Rotor Blades-rotation of rigid bodies

Relate the parameters of angular motion for a helicopter rotor blade to the parameters of linear motion for a point on the tip of the blade.

00:02:55Oct 17, 2006

9-9 Rotating Flywheel-rotation of rigid bodies

Calculate the change in the angular velocity and angular displacement of a flywheel that is slowing down due to friction

00:07:07Oct 17, 2006

9-5 Instantaneous Angular Velocity-rotation of rigid bodies

Relate an expression for the angular displacement of a merry-go-round to its angular velocity and angular acceleration

00:04:29Oct 17, 2006

9-1 Angles and Arc Lengths-rotation of rigid bodies

Relate an angle to arc lengths subtended by the angle

00:01:52Oct 17, 2006

8-45 Center of Mass-momentum and collisions

Determine the center of mass of an object

00:02:36Oct 10, 2006

8-39 Head on Elastic Collision-momentum and collisions

Find the velocity of a ball after a head-on elastic collision

00:05:43Oct 10, 2006

8-35 Speed of a Bullet-momentum and collisions

Find the speed of a bullet by using the work-energy theorem and conservation of momentum during a collision with a block

00:07:16Oct 10, 2006

8-27 Collision of Two Pucks-momentum and collisions

Find the velocity of a puck after collision with another puck

00:09:27Oct 10, 2006

8-19 Compressed Spring-momentum and collisions

Find the velocities of two masses after they are launched by a spring

00:05:02Oct 10, 2006

8-17 Hip Check-momentum and collisions

Find the velocity of a hockey player after being hip-checked

00:09:20Oct 10, 2006

8-1 Momentum of a Truck-momentum and collisions

Find the momentum of a moving truck

00:04:44Oct 10, 2006

Gas Guzzling-work, energy, and power

Solutions to Homework 7 - Gas Guzzling

00:23:25Oct 10, 2006

Midterm 2 Solutions-fall 2006

Solutions to midterm #2

00:19:11Oct 5, 2006

Homework 6 - Design Your Own Rollercoaster - solutions

Solutions to the homework where you were asked about the parameters of a rollercoaster

00:17:06Oct 3, 2006

7-76 Minimum Speed of a Moving Block-conservation of energy

Find the angle of a ramp that causes a block sliding up the ramp to have the minimum speed after sliding a certain distance

00:06:49Sep 26, 2006

7-51 Bungee Jump-conservation of energy

Find the parameters of a bungee cord necessary for a given bungee jump

00:05:40Sep 26, 2006

7-46 Roller Coaster Loop-conservation of energy

Find the minimum height of a roller-coaster hill for the coaster to go over a loop successfully.

00:05:30Sep 26, 2006

7-41 Legal Physics-work and energy

Find the speed a car was traveling given the length of the skid marks it left when it stopped.

00:04:44Sep 26, 2006

7-33 Energy Diagram for Hydrogen-work and energy

Find the force on a particle from the energy diagram. Is it attractive or repulsive?

00:01:58Sep 26, 2006

7-29 Friction on a Book-work and energy

Check if friction is a conservative force or not by determining the work it does when a book sliding on a table moves in a closed path

00:03:00Sep 26, 2006

7-15 Energy in a Spring-work and energy

Find the energy stored in a spring when it is stretched or compressed

00:03:07Sep 26, 2006

7-2 Lifting a Sack of Sugar-work and energy

Find the force necessary to lift a sack of sugar. Find the work done.

00:02:40Sep 26, 2006

6-45 a Tandem Bike-work and energy

Find the power necessary to ride a bike at a given speed

00:02:19Sep 26, 2006

6-33 Compressing a Spring-work and energy

Find the work necessary to compress or stretch a spring

00:04:29Sep 26, 2006

6-14 Throwing a Rock-work and energy

Find the initial speed and eventual height of a thrown rock using the work energy theorem

00:05:38Sep 26, 2006

6-3 Reeling in a Fish-work and energy

Find the work done reeling in a fish

00:01:43Sep 26, 2006