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What characteristics of electron microscopes make them most useful for studying viruses?
Calculate all the components of the velocity of the particle that you can from this information.(b) Are there components of the velocity that are not determined by the measurement of the force? (c)
What are the conditions of a controlled experiment
Consider an array of parallel wires with uniform spacing of 1.30 cm between centers. In air at 20.0°C, ultrasound with a frequency of 37.2 kHz from a distant source is incident perpendicular to
A circular coil with a diameter of 21.0 cm and 161 turns rotates about a vertical axis with an angular speed of 1200 rpm. The only magnetic field in this system is that of the Earth. At the locatio
1.Using you knowledge of DNA replication, describe the mechanisms in place for preventing mistakes during the process. Also discuss how potential mistakes could happen ? What would be the consequences
The spheres are brought into contact and then they are returned to their initial positions. Now, it is found that the spheres repel one another with a force whose magnitude is equal to that of the i
Draw the vector starting at the location of the charge. The location and orientation of the vector will be graded. The length of the vector will not be graded.
Using you knowledge of DNA replication, describe the mechanisms in place for preventing mistakes during the process. Also discuss how potential mistakes could happen ? What would be the consequences o
Two monkeys of equal mass are holding onto a single vine of negligible mass that hangs vertically from a tree, with one monkey a few meters higher than the other. What is the ratio of the tension i
Use field lines to draw a visualization of the electric field in the neighborhood of this system and draw the field lines at distances much greater than d from the charges
What is the difference between a regulator and a conformer?
Suppose that the (short-range nuclear) force between nucleons arises through the emission of a particle of mass m by one nucleon and its absorption by the other. Given that the range of the nuclear
A rectangular plate has a length of (20.3 ± 0.2) cm and a width of (8.6 ± 0.1) cm. Calculate the area of the plate, including its uncertainty.
What is the problem/solution of the nectar in a sieve
When placed 1.19 apart, the force each exerts on the other is 10.5 and is repulsive. What is the charge on each? What if the force were attractive?
Which is the spiral galaxy nearest to the Milky Way, is about 2.0 million ly. If a scale model represents the Milky Way and Andromeda galaxies as dinner plates 38 cm in diameter, determine the dista
An airplane needs to reach a velocity of 203.0 km/h to take off. On a 2000 m runway, what is the minimum acceleration necessary for the plane to take flight?
What is the tangential acceleration of a bug on the rim of a 13.0-in.-diameter disk if the disk accelerates uniformly from rest to an angular speed of 76.0 rev/min in 3.50 s?
The acceleration of a bus is given by ax(t)=αt where α = 1.30m/s3 is a constant. If the buses position at time t1 = 1.17s is 5.96m what is its position at time t 2 = 2.18s ?
The electric field just above the surface of the earth has been measured to be 152 N/C downward. What total charge (sign and magnitude) on the earth is implied by this measurement?
What is a cell analogy for cilia to a school?
A glider with mass = 0.230 sits on a frictionless horizontal air track, connected to a spring with force constant = 5.10 . You pull on the glider, stretching the spring 0.130 , and then release it
What is the mass of a cart that has an acceleration of 4 m/s2 when a net force of 2000 N is applied to it?
The research team used the setup to study the incorporation of labeled nucleotides into a culture of lymphocytes and found that the lymphocytes incorporated the labeled nucleotide at a significantly h