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At an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis. What is the radius of a chamber
A block of mass m = 2 kg is pushed against a spring of spring constant k = 30 N/m until the spring is compressed by x = 0.1 m. What is the maximum speed of the block
A m = 10 kg block is released from a height of h = 3 m. It travels down a frictionless circular shaped ramp to the bottom where it encounters a rough surface. Find the coefficient of kinetic frictio
A slit 0.240mm wide is illuminated by parallel light rays with a wavelength 540nm. What is the distance on the screen from the center of the central maximum to the first minimum
An electric potential is set up across a pair of parallel plates such that the left plate is at -594 V, What is the kinetic energy of the electron when it reaches the hole in the right plate
In two different cases, two blocks are sliding to the right across a horizontal surface. In Case A the mass of each block is 3.9 kg. determine the magnitude of the acceleration of the blocks
Consider a charged metallic spherical shell or radius a = 1.75 cm. Calculat the potential on the surface of the shell
A motorcycle has a constant speed of 28.1 m/s as it passes over the top of a hill whose radius of curvature is 130 m. Find the magnitude of the centripetal force
A 0.16-kg ball on a stick is whirled on a vertical circle at a constant speed. Find the tension in the stick
A motorcycle is traveling up one side of a hill and down the other side. Determine the maximum speed that the cycle can have
The earth orbits the sun once per year at the distance of 1.50 x 1011 m. How long (in earth days) does it take for Venus to make one orbit
A particle moves along the x axis. It is initially at the position 0.130 m, moving with velocity 0.190 m/s and acceleration -0.330 m/s2. FIND the position of the particle after this time
Two forces, F1=(-3.0i-4.45j)N and F2=(-2.75-5.50j)N, act on a particle of mass 1.50kg that is initially at rest at coordinates (-2.05m,3.75m). what are the components of the particles veloctiy at t=1
A charged particle moving through a magnetic field at right angles to the field with a speed of 22.7 m/s experiences a magnetic force of 2.58 10-4 N. Determine the magnetic force on an identical pa
The autosomal recessive gene transformer (tra) mutation converts chromosomal females into sterile males. A female Drosophila that is heterozygous for the tra allele is mated with a normal male homoz
Two physicists (on oppisite sides of a cage) are pulling on ropes tied to a lion. What are the force T2 and angle theta 2 of the rope pulled by the physicist 2
A car sits in an entrance ramp to a freeway, waiting for a break in the traffic. when it reaches the end of the ramp, which has length 118m
If the original black guinea pigs produce an average of 10 offspring per mating, how many matings would you have to make with these same parents before you'd expect to see a white guinea pig
A rock is dropped into an abandoned mine, and a splash is heard 4s later. how fast the rock was falling when it hit the water
A 45.5-g golf ball is driven from the tee with an initial speed of 40.3 m/s, determine the kinetic energy of the ball at its highest point
A snowboarder starts from rest and rides 39.47 m down a snow-covered slope that makes an angle of 33.19° with the horizontal, How far will she travel along the flat snow
1. What are the subunits and functions of carbohydrates 2. What are monosaccharides, disaccharides, and polysaccharides 3. What are the subunits and functions of lipids 4. Why is a fat a better storag
How has the meteorological aspect of temperature changed from early beginnings of the Earth through present time and what is happening to the overall global temperature of the Earth?
Two 2.50cm×2.50cm plates that form a parallel-plate capacitor are charged to ± 0.708nC, What is the potential difference across the capacitor
A skydiver drops from a hot air balloon floating 5000 meters above the ground. What was the average vertical speed of the skydiver