A race car enters a flat 200-m radius curve at a speed of 20.0 m/s while increasing its speed at a constant 2.00 m/s2. If the coefficient of static friction is 0.700, what will the speed of the car be when the car begins to slide?
A)
36.2 m/s
B)
24.3 m/s
C)
37.1 m/s
D)
28.7 m/s
E)
31.5 m/s
A
You might also like to view...
On its way to Jupiter, Galileo also gave us close-ups of:
A) Mars and Venus. B) Ceres and Vesta. C) Gaspra and Ida. D) Mathilde and Eros. E) Mercury and Venus.
A cylindrical tank is assembled by welding steel sections in a heli-cal pattern with angle ? 5 50°. Tank diameter is 1.6 m, thickness is 20 mm, and internal pressure is 2.75 MPa. Modulus E 5 210 GPa and Poisson’s ratio ? 5 0.28. The normal stress acting perpendicular to the weld is approximately:
(A) 39 MPa
(B) 48 MPa
(C) 78 MPa
(D) 84 MPa
The reason you can walk barefoot on red-hot coals of wood without burning your feet mainly involves
A) low temperature of the coals. B) low conductivity of the coals. C) mind over matter techniques.
An earthquake emits both S waves and P waves which travel at different speeds through the Earth. A P wave travels at 9 000 m/s and an S wave travels at 5000 m/s. If P waves are received at a seismic station 1.00 minute before an S wave arrives, how far away is the earthquake center?
A. 88.9 km B. 1200 km C. 675 km D. 240 km E. 480 km