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An alpha particle is a helium nucleus that consists of two protons bound with two neutrons. An alpha particle moving during a perpendicular magnetic field of 1.5 T experiences an acceleration of 2000 m/s2. Determine is the alpha particles speed?
Explain in terms of Newton's law each of the following situations. How does a bumblebee hover in midair
A performer, seated on a trapeze, is swinging back and forth with a period of 8.10 sec. find the new period of the system
A bat moving at 2.3 m/s is chasing a flying insect. The bat emits a 51 kHz chirp and receives back an echo at 51.33 kHz, At what speed is the bat gaining on its prey
The lens of a slide projector with a focal length of 100.0 mm projects a slide onto a screen that is 10.0 m away. How far from the lens must the slide be placed to form a sharp image on the screen?(in cm)
a nonreflective coating n 1.34 covers the glass n 1.52 of a camera lens. assuming that the coating prevents
The space shuttle is in a 300-mile-highorbit. Calculate What is the shuttle's orbital period
A nonconducting thin layer carries charge with a uniform density of 8.40 µC/cm2. (a) What is the electric field 3.80 cm in front of the wall if 3.80 cm is small compared with the dimensions of the wall? magnitude and direction?
a single circular loop with radius of 10.0cm lies in the plane of the paper while a uniform magnetic field points out of the paper, what is the magnitude of the average induced emf
Steel train rails are laid in 12.2m -long segments placed end to end. The rails are laid on a winter day when their temperature is -2.00 oC. what is the stress in them on a summer day when their temperature is 33.0 oC
a 15n block is now immersed in a salt water density 1030 kgm3. determine the buoyant force acting on the block if the
Suppose you wish to survey 16000 square degrees of the sky to some limiting brightness as fast as possible, but necessarily within some budgetary constraints. Further suppose that the cost of telescopes ~ (diameter of the primary mirror)2.5 and th..
Three single-phase step-up transformers rated at 10MVA, 4.6kV/13.8kV are connected in Wye-Delta configuration. The three transformers are used to feed a 20MVA load at 0.9 p.f. With an efficiency of 96%. Find the secondary line voltage.
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