Acurve of radius 53.1 m is banked so that a car of mass 2.9 mg traveling with uniform speed 67 km/hr can round the curve without relying on friction to keep it from slipping on the surface.

Acid precipitation chemically weathering a 5.0-kg limestone rock . which coukd be the result ?

Hat is the most commonly cited cause of occupational injuries in the healthcare sector? a. repositioning of patients b. manual pipetting c. slips and trips d. workplace violence

An electromagnetic wave with frequency 65.0 hz travels in aninsulating magnetic material that has dielectric constant 3.64 andrelative permeability 5.18 at this frequency. the electric fieldhas amplitude 7.20 \times 10^{ - 3} {\rm v}/{\rm m}. a. what is the speed of propagation of the wave? b.what is the wavelength of the wave? c.what is the amplitude of the magnetic field? d.what is the intensity of the wave?