Find accelerations of the masses m1 and m2 shown on the picture. Block A is fixed to the ceiling, block B moves together with the mass m2. The string is massless and non- stretchable, with the right e
A ball of mass m is suspended above the center of the rotating platform on the elastic spring with stiffness k and initial (non-stretched) length l0 as shown. The opposite end of the spring is attache
Measurements of Specific Heat and Latent Heat of Fusion Description: determine the specific heat for different materials and compare with the known values: Materials: Kitchen scales or spring s
From the point of view of the traveler, what are the implication of length contraction and time dilation for traveling to another solar system at near-light speed? Also discuss the energy required to
electric potential multiple choice question. might have more than one correct answer.
derive an expression or the total magnitude of the acceleration of a point in a rotation body in terms of r t and theta
I need help with understanding this. it is due today at midnight.
A color television needs to be plugged into a 120-volt circuit. It uses 2.5 amperes. What is the television s wattage? Select one: a. 48 amps b. 48 watts c. 300 volts d. 300 watts What is the po
Please help me with this i turned it in once and got a zero
Help please i turned this in once and got a zero so please help
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1. Can you show me step by step how to solve this problem?:
- The Earth’s rate of rotation is constantly decreasing, causing the day to increase in duration. In the year 2000 the Earth takes about 0.548 s longer to complete 365 revolutions than it did in the year 1900.
- (a) What is the average angular acceleration of the Earth?
- (b) If this average acceleration remains constant, in what year will the Earths rotation come to rest?
2. I do not understand this Ideal Gas Law and Kinetic Theory question. Can you help me set it up?
- A spherical balloon is made from a material whose mass is 3.00-kg. The thickness of the material is negligible compared to the 1.5-m radius of the balloon. The balloon is filled with helium (He) at a temperature of 305-degrees K and just floats in the air, neither rising nor falling. The density of the surrounding air is 1.19-kg/m^3. Find the absolute pressure of the helium gas