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A car is traveling around a horizontal circular track with radius r = 190.0 m as shown. It takes the car t = 59.0 s to go around the track once. The angle ?A = 34.0° above the x axis, and the angle ?B = 62.0° below the x axis.
1) What is the magnitude of the car's acceleration?
2) What is the x component of the car's velocity when it is at point A
3) What is the y component of the car's velocity when it is at point A
4) What is the x component of the car's acceleration when it is at point B
5) What is the y component of the car's acceleration when it is at point B
6) As the car passes point B, the y component of its velocity is (decreasing/ constant/ or increasing)?
A car travels a distance of 50km/hr. it then travels an additional distance of 60km in 1 hour. what is the average speed of the car for the entire trip
The Mariana trench is located in the Pacific Ocean at a depth of about 11 000 m below the surface of the water. For comparison, determine the weight of a jetliner whose mass is 4.30 × 105 kg
A cylinder rolls without slipping down an incline that makes a 57° angle with the horizontal. What is the acceleration of the cylinder
A bullet is fired through a board 13.5 cm thick, with a line of motion perpendicular to the face of the board. If the bullet enters with a speed of 387 m/s and emerges with a speed of 163 m/s, what is its acceleration as it passes through the boar..
A radar for tracking aircraft broadcasts a 18.2 GHz microwave beam from a 1.03 m diameter circular radar antenna. What is the diameter (in m) of the radar beam at a distance of 25.0 km
A small body of mass 0.28 kg is undergoing simple harmonic motion of amplitude 4.0 cm and period 0.10 s. What is the maximum value of the force acting on it? If the oscillations are produced by a spring, what is the spring constant?
A particle of mass m is constrained to move in a vertical plane that is rotating with constant angular velocity, , around a vertical axis. Gravity is acting downward on the particle.
In the Bohr model of the hydrogen atom, an electron in the 7th excited state moves at a speed of 4.47 104 m/s in a circular path having a radius of 2.59 10-9 m
You're viewing a pair of green (wavelength=550nm) butterflies on a tree branch. What is Rayleigh's minimum angle for resolution
One of the moons of a planet orbits at a distance of 9375 km from the center of the planet. what is the period of the moon
The length of a string is 322 cm. It is held fixed at each end. The string vibrates in seven sections; such as the string has seven antinodes, and the string vibrates at 160 Hz.
In coming to a stop, a car leaves skid marks 91m long on the highway. Assume a deceleration of 7.5m/s2, compute approximately the speed of the car just before braking.
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