A string of 22 identical christmas tree lights are, Ask an Expert

Academics

Q1. A school yard teeter totter with a total length of 6.0 m and a mass of 36 kg is pivoted at its center. A 19 kg child sits on one end of the teeter totter.

(a) Where must a parent push with a force of 189 N in order to hold teeter totter level?

(b) Where have to the parent push with a force of 350 N to keep teeter totter level?

Q2. A string of 22 identical Christmas tree lights are connected in series to a 125 V source. The string dissipates 52 W.

What is the comparable resistance of the light string?

View complete question

Physics, Academics

Category:- Physics
Reference No.:- M9155483

Have any Question?Write your Review or question?

Related Questions in Physics

Question a small 300 g cart is moving at 190 ms on an air

Question: A small, 300 g cart is moving at 1.90 m/s on an air track when it collides with a larger, 5.00 kg cart at rest. After the collision, the small cart recoils at 0.890 m/s. Part A: What is the speed of the large c ...

Question a stationary boat in the ocean is experiencing

Question: A stationary boat in the ocean is experiencing waves from a storm. The waves move at 55 km/h and have a wavelength of 160 m. The boat is at a crest of a wave. How much time elapses until the boat is first at th ...

Question a peregrine falcon in a tight circular turn can

Question: A peregrine falcon in a tight, circular turn can attain a centripetal acceleration 1.5 times the free-fall acceleration. If the falcon is flying at 20 m/s, what is the radius of the turn? The response must be t ...

Question part a calculate the period of a satellite

Question: Part A: Calculate the period of a satellite orbiting the Moon, 91km above the Moon's surface. Ignore effects of the Earth. The radius of the Moon is 1740 km. Express your answer using three significant figures ...

Question a simple pendulum consisting of a bob of mass

Question: A simple pendulum consisting of a bob of mass attached to a string of length swings with a period . a) If the bob's mass is doubled, approximately what will the pendulum's new period be? b) If the pendulum is b ...

Question orangutans can move by brachiation swinging like a

Question: Orangutans can move by brachiation, swinging like a pendulum beneath successive handholds. If an orangutan has arms that are 0.90 m long and repeatedly swings to a 20° angle, taking one swing immediately after ...

Question the resistivity of a wire is given by rpla where p

Question: The resistivity of a wire is given by R=pL/A. Where p is the resistivity of the material, L is the length of the wire and A is the cross sectional area of the wire. a) If the diameter of the wire is .35mm calcu ...

Question a nylon rope used by mountaineers elongates 130 m

Question: A nylon rope used by mountaineers elongates 1.30 m under the weight of a 65.0-kg climber. If the rope is 45.0 m in length and 7.0 mm in diameter, what is Young's modulus for this material? The response must be ...

Question in a semiclassical model of the hydrogen atom the

Question: In a semiclassical model of the hydrogen atom, the electron orbitsthe proton at a distance of 0.053 nm. What is the electric potential of the proton atthe position of the electron? What is the electron's potent ...

Question a simple pendulum oscillates with frequency fa

Question: A simple pendulum oscillates with frequency f. a) what is its frequency if the entire pendulum accelerated 0.43 g upward? b) what is its frequency if the entire pendulum accelerates 0.43 g downwards? The respon ...

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

Recent Questions

Ask Physics Expert