Math
See previous post.
Math
a. Se previous post. b. 850(1.02)^t = 1700. Solve for t.
Math
P = Po(1+r)^t = 1000. 850(1.02)^t = 1000 (1.02)^t = 1000/850 = 1.17647 Take Log of both sides: t*Log 1.02 = Log 1.17647 0.0086t = 0.07058 t = 8.2 Years
physics
Range = Vo^2*2sinA*cosA/g = Vo*cosA*T (550)^2*2sinA*cosA/9.8=550cosA*49.2 Divide both sides by 550cosA: 550*2sinA/9.8 = 49.2 56.12*2sinA = 49.2 112.24*sin A = 49.2 sinA = 0.43833 A = 26o. Range = Vo*cos A * T Range = 550*cos26 * 49.2 = 24321 m.
physics
Yo = 250km/h = Ver. component? Vo = 250/sin30 = 500 km/h.
physics
h = 5*sin43 = 3.41 m. m*g = 88 N m = 88/g = 88/9.8 = 8.98 kg 0.5m*V^2 = mg*h - Fk. 0.5*8.98*V^2 = 88*3.41-19 = 281.1 4.49V^2 = 281.1 V^2 = 62.6 V = 7.9 m/s.
Physics (MOMENTUM)
Ball B. Momentum = m*V. Ek = 0.5m*V^2. Ball A: Momentum = (m/2)*2V = m*V. Ek = 0.5m*V^2 a. Their momentum is equal. b. Their kinetic energy is equal.
Math
Incomplete.
physics
h = ho + (V^2-Vo^2)/2g h = 14.7 + (0-(7.53)^2)/-19.6 = 17.6 m. Above gnd. V^2 = Vo^2 + 2g*h V^2 = 0 + 19.6*17.6 = 345 V = 18.6 m/s. V = Vo + g*t Tr = (V-Vo)/g = (0-7.53)/-9.8=0.768 s.= Rise time. h = Vo*t + 0.5g*t^2 = 17.6 m. 0 + 4.9t^2 = 17.6 t^2 = 3.59 Tf = 1.89 s. = Fall ti...
science
How are the resistors connected?
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