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Mars has a mass of 6.46 x 10^23 kg and a radius of 3.39 x 10^6 m. What is the acceleration due to gravity on Mars and how much would a 65 kg person weigh
For the full Hamiltonian H = H_0 + H', obtain the energy eigenvalues and the corresponding eigenstates which are correct up to 1st-order in beta.
A 2-kg ball is moving with a constant speed of 5 m/s in a horizontal circle whose radius is 50 cm. What is the magnitude of the net force on the ball?
An astronaut shipwrecked on a distant planet with unknown characterisitics is on top of a cliff, which he wishes to descend.
Planet X rotates in the same manner as the earth, around an azis through its north and south poles, and is perfectly spherical.
A 8754-kg satellite is orbiting planet Y at an altitude of 1.69x10^6 meters above its surface and with an orbital period of 15.2 hours.
In the equation 226/88 Ra--> 4/2 He+ ------, the characteristics of the missing particle are:
A block of mass m = 2.32 kg slides down an alpha = 29.2° incline which is h = 3.56 m high. At the bottom, it strikes a block of mass M = 7.06 kg .
Suppose my car engine has a displacement of 350 cubic inches. I wish to compare this with a European car which has a displacement of 1.7 liters.
Temperature at which the vapor pressure of liquid is equal to the external pressure.
You are working for a telecommunication company that has several satellites in orbit. Your job is to work with NASA to monitor the satellites
Two hydrophobic glass slides measuring 1 cm x 1 cm x 1 mm are floating on water with their sides parallel to each other.
As far as Newton was concerned, what did a falling apple have in common with the moon?
It might be possible to prove a scientific theory false, it is never possible to prove it true. Explain.
In a Rutherford scattering experiment, an alpha particle (charge = +2e) heads directly toward a gold nucleus (charge = +79e).
Zero, a hypothetical planet, has a mass of 4.0 1023 kg, a radius of 3.0 106 m, and no atmosphere. A 15 kg space probe is to be launched vertically
How many alpha particle emissions and how many beta particle emissions are involved in the sequence of radioactive decay?
An atom of 63Ni undergoes loss of a beta particle. What are the atomic number, mass number and name of the product atom?
How would you describe the "use of Newton's gravity to hold the solar system together" to an elementary school child? Give some examples
A long straight wire carries a current of 100mA. What is the magnitude of the magnetic field 10.0cm from the wire?
Describe a coordinate system that could be used to locate uniquely the seats in the classrooms of a multi-story building with one classroom on each floor.
The nucleus of the polonium isotope 214Po (mass 214 u) is radioactive and decays by emitting an alpha particle (a helium nucleus with mass 4 u).
Describe the place of astrology in science. How did the development of astrology follow or parallel the development of astronomy?
In similar problems involving rotating bodies, you will often also need the relationship between angular acceleration, alpha, and linear acceleration, a.
A 9000kg railroad car moving at 3m/s strikes a stationary (not moving) 5000kg railroad car. what is the kinetic energy of the 9000kg railroad car