Car A drives East at 20 kph at half an hour earlier than car B that started at the same point at 50 kph. How long will car B overtakes car A, in minutes?
June 2021
The arc of the parabola y = x2 from (1, 1) to (2, 4) is rotated about the y-axis. Find the area of the resulting surface.
The area of the triangle inscribe in a circle is 39.19 cm2 and the radius of the circle is 7.14 cm. If the two sides of the triangle are 8 cm and 10 cm respectively, find the 3rd side.
Which of the following most nearly gives the value of x from $ \sqrt[4]{8 \sqrt[3]{2 \sqrt{8x}}} = 2 $?
Find the acceleration at t = 0.
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Find the velocity at t = 0.
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Find the position at t = 0.
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FgoE76U-0 Situation. A particle moves along a curve of parametric equations x = e^(-t), y = 2 cos 3t, z = 2 sin 3t, where t is the time.
Situation
A particle moves along a curve of parametric equations x = e-t, y = 2 cos 3t, z = 2 sin 3t, where t is the time.
Find the tangent offset of the 1st quarter point on the curve.
Find the elevation of the lowest point.
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