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A 3800 kg car travels round an unbanked corner(i.e. a horizontal road) at the recommended speed of 65 km h-1. The radius of curvature is 80m.
1) What is the force that the road exerts on the car to keep it in motion around the corner?
2) What forces would the road need to exert if the car was traveling at 100 km h-1?
The sound intensity 44 m from a wailing tornado siren is 0.10 W/m2 -. Estimate the maximum distance at which the siren can be heard
A particle of mass 2 units moves along the x-axis attracted toward the origin by the force whose magnitude is numerically equal to 8x. find the differential equation describing the motion
The arrangement is, in effect, a hollow tube of current 2.1A. find the magnetic field outside the cylinder
A rod of 2.0-m length and a square (2.0 mm × 2.0 mm) cross section is made of a material with a resistivity of 6.0 × 10-8 ? ? m. at what rate is heat generated in the rod
Green light (λ = 546 nm) strikes a single slit at normal incidence. What width slit will generate a central maximum that is 3.00 cm wide on a screen 1.76 m from the slit.
a jet engine suspended beneath the wing of an airplane. The weight of the engine is 11800 N, find the magnitude of the torque due to the weight
A disk released from the top of an inclined plane has a speed of 5.52 m/s at the bottom. How high is the upper end of the inclined plane
A 41.7kg boy and a 56.4kg girl are on the surface of a frozen lake, 14.0m apart. Calculate the magnitude of the boy's acceleration
Select all that apply. Which is the following statements is true?
A plane is pointed in the positive x direction and is flying with an speed of (200, 0, 0) m/s relative to the air. Find the velocity of the plane with respect to the ground
Water flows through a pipe with circular cross section. The fluid has a radius of 5.0 cm and flows at 2.0m/s. The output has a radius of 2.50 cm. find the output velocity.
An ac generator with a frequency of 1.54kHz and an rms voltage of 22.2V is connected in series with a 1.90k, What is the power factor for this circuit
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