Question | Subject | Tutorials |
---|---|---|
What sample volume should yield a countable plate Suppose your professor handed you a test tube with 4.o mL of an E.coli broth culture in it and told you to make a 10^-2 dilution of the entire culture. Explain how you would do this. Show your calcula … |
Physics / General Physics | Get it Now |
Coordinates of the center of mass An 800 g steel plate has the shape of the isosceles triangle shown in the figure(Figure 1) . The hieght of the triangle is 30 cm and th base is 20 cm. What is the x-coord … |
Physics / General Physics | Get it Now |
The surface charge density at the outer edge of shell Q1. A point charge q1 = -8.9 μC is located at the center of the thick conducting shell of inner radius a = 2.2 cm and outer radius b = 4.5 cm, the conducting shell has a net charge of q2 = 1.1 μ … |
Physics / General Physics | Get it Now |
What is the maximum transverse speed of the bead In lab, your instructor generates a standing wave using a thin string of length L = 2.10m fixed at both ends. You are told that the standing wave is produced by the superposition of traveling and refl … |
Physics / General Physics | Get it Now |
Find the Electric Field Just Outside the Paint Layer Compute each part of given question:
Question: A charged paint is spread in a very thin uniform layer over the surface of a plastic sphere of diameter 17.0 cm, giving it a charge of -16.0 µC. … |
Physics / General Physics | Get it Now |
How long is the bar A uniform steel bar swings from a pivot at one end with a period of 1.3s.
How long is the bar?
… |
Physics / General Physics | Get it Now |
What Horizontal Force Would Necessary to Displace Position Question -
Part (a)
To Determine: A 27-kg chandelier hangs from a ceiling on a vertical 4.0-m- long wire. What horizontal force would be necessary to displace its position 0.15m to one side?
… |
Physics / General Physics | Get it Now |
Direction of the linear momentum of the rod-puck Question 1. In tutorial, you observed the following three experiments involving a student sitting at rest on a stool, holding a spinning bicycle wheel as shown at right:
Experiment I: The … |
Physics / General Physics | Get it Now |
How Much Time Elapses Until the Boat Is First 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 … |
Physics / General Physics | Get it Now |
What is the magnitude of the force the car applies to truck
Question: 1200-kg car pushes a 2100-kg truck that has a dead battery to the right. When the driver steps on the accelerator, the drive wheels of the car push against the ground with a force … |
Physics / Physics Research | Get it Now |
Find at What Time Do the Wheels Leave the Ground Solve the all parts of given question:
Question: The takeoff speed for an Airbus A320 jetliner is 74m/s. Velocity data measured during takeoff are as follows: t(s) 0 10 20 30 40 Vx (m/s) 0 20 40 60 … |
Physics / General Physics | Get it Now |
What current during this inflow of charge in meter of axon Part 1. Nerve cells transmit electric signals through their long tubular axons. These signals propagate due to a sudden rush of Na+ ions, each with charge +e, into the axon. Measurements have revealed … |
Physics / General Physics | Get it Now |
Find an expression for the bullets speed
You have been asked to design a "ballistic spring system" to measure the speed of bullets. A spring whose spring constant is k is suspended from the ceiling. A block of mass M hang … |
Physics / General Physics | Get it Now |
What is its takeoff speed
Question: A gray kangaroo can bound across a flat stretch of ground with each jump carrying it 11m from the takeoff point.
Part A: If the kangaroo leaves the ground at a 22 degree angle, … |
Physics / Physics Research | Get it Now |
How Much Energy Is Transferred to Each Eardrum in One Second 1) At a rock concert, the sound intensity 1.0 m in front of the bank of loudspeakers is 0.10 W/m^2. A fan is 30 m from the loudspeakers. Her eardrums have a diameter of 8.4 mm.How much energy is trans … |
Physics / General Physics | Get it Now |
An Old-Fashioned Single-Play Vinyl Record Rotates An old-fashioned single-play vinyl record rotates on a turntable at 45.0 rpm. What are (a) the angular velocity in rad/s and (b) the period of the motion?
… |
Physics / General Physics | Get it Now |
What Was the Initial Kinetic Energy of the Proton Question: A proton with an initial speed of 600,000 m/s is brought to rest by an electric field.What was the potential difference that stopped the proton?What was the initial kinetic energy of the pro … |
Physics / General Physics | Get it Now |
What Is the Coefficient of Rolling Friction Two bicycle tires are set rolling with the same initial speed of 3.00m/s along a long, straight road, and the distance each travels before its speed is reduced by half is measured. One tire is inflate … |
Physics / General Physics | Get it Now |
Determine the Magnitude of the Balloon Initial Velocity A student throws a water balloon with speed v0 from a height h= 1.56 m at an angle θ = 22 above the horizontal toward a target on the ground. The target is located a horizontal dist … |
Physics / General Physics | Get it Now |
What Is the Total Charge of the Uranium Nucleus (A) What is the total charge of the uranium nucleus? (The neutral uranium atom has 92 electrons.)
(B) What is the magnitude of its electric field at a distance of 1.48×10-10 m from the nu … |
Physics / General Physics | Get it Now |