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Detailed explanation of string constraint relation on pulley based problems -
A 200 g ball on a 55-cm-long string is swung in a vertical circle about a point 200 cm above the floor. What was the tension in the string an instant
In order to pass a physical fitness test, Marcella must run 1000 m at an average speed of 3.90 m/s. How much time does she have to run the last 750 m
Give me a very detailed exlanation of finding d Constraint relaion in strings and how do u find it do set a reference point
Your 3.90 kg physics book is next to you on the horizontal seat of your car. The coefficient of static friction between the book, What force does the seat exert on the book in this process
A Carnot engine operates with reservoirs at 135°C and 378°C, and 23600 J of heat are transferred into the engine from the hot reservoir during each engine cycle
A Carnot engine operates with a cold reservoir temperature of 194 K and has an efficiency of 74.3%. What is the temperature of the hot reservoir
A 5.78 cm long rod in the shape of a rectangular solid has cross section dimensions 28.7 mm x 42.6 mm. What is the current in the block
A highway curve of radius 440 is designed for traffic moving at a speed of 85.0 . What is the correct banking angle of the road
In a perfectly inelastic collision, two identical 2kg objects collide head to head. What is the total linear momentum after collision
A 29.0-g object moving to the right at 19.0 cm/s overtakes and collides elastically with a 9.0-g object moving in the same direction at 15.0 cm/s. Find the velocity of each object after the collisio
The current flowing through a 333 mH inductor is a sinusoidal function of time, I = 0.250 sin (375t), What is the smallest positive value of time t when the magnetic potential energy stored in the ind
Suppose the coefficient of static friction between the road and the tires on a car is 0.60 and the car has no negative lift. What speed will put the car on the verge of sliding
how much work was done by her force acting on the car
A student wants to find out the speed of a high-speed projectile, but doesn't have a high-speed measuring device. what is the speed of the projectile just before the collision
In order to estimate the properties of a uniform magnetic field, you shoot an alpha particle into the field. Determine the magnitude of the particle
An object of mass 3m0 moves to the right at 0.8c. Calculate its momentum and energy
a superball with mass equal to 50 grams is dropped from a height of 1.5m . It collides with a table, then bounces up to a height of 1m. Find the y component of the momentum of the ball immediately be
An electromagnetic wave in a vacuum has a magnetic field with a magnitude of 1.59 × 10-6 T. What is the intensity S of the wave
A ball is dropped from a height of 1.50 m and rebounds to a height of 1.20 m. Approximately how many rebounds will the ball make
You compress a spring with k = 3000 N/m a distance of 0.2 m with a block of mass 4 kg. hat is the velocity of the block after it leaves the spring but before it gets to the incline
Please state Ohm's Law using words, and in several ways if you can. Reference to graphs may make this easier for you
A small container of water is placed on a carousel inside a microwave oven, at a radius of 11.5 cm from the center. What angle does the water surface make with the horizontal
A top loading washing machine has a spin cycle that rorates at frequency f. The spinning drum that holds the clothes has a radius R, Find an expression for the magnitude of the wall's normal force a
The plates of a parallel-plate capacitor have a separation of 4.70mm , and each has an area of 13.4cm^2 . what is the potential difference between the plates