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A force of 10N acts on two blocks on frictionless surface.the first block is 3kg, and the second block is 2kg. what is the acceleration of the system?what force does the 3kg block exert on the 2kg block? what force does the 2kg block exert on the 3kg block?
A lid is put on a box that is 14 cm long, 13 cm wide, and 8.0 cm tall and the box is then evacuated until its inner pressure is 7.3 104 Pa. How much force is required to lift the lid at sea level
Two point charges are on the y-axis. A 4.50 μC charge is located at y=1.25cm, and a -2.24μC charge is located at y=1.80 cm. Find the total electric potential at (a) the origin and (b) the point having coordinates (1.50cm, 0).
What is wave number
half of a slab is made of aluminum (density = 2.70 g/cm^3) andits length is 11.0cm, its width - 13.0 cm, and its height - 2.80cm;the other half of the slab is made of iron (density = 7.85g/cm^3), Where is the center of mass of the slab
A singly ionized Nickel atom has an overall charge of 1.602 x 10^-19C and a mass m = 9.80 x 10^-26 g. what will the radius of the curved path that the Nickel atom has within the deflection chamber be
The temperature of a copper bar rises by 10.0°C when it absorbs 2.03 kJ of energy by heat. The mass of the bar is 525 g
Imagine a perfectly elastic collision between to masses. Mass m1 is moving horizontally to the right at v0 towards mass m2. Calculate the recoil angle of m2 and the recoil speed of m2
A 10.0-g bullet traveling horizontally at 755 m/s strikes a stationary target and stops after penetrating 14.5 cm into the target. What is the average force of the target on the bullet
A 96-kg man's thighbone has a relaxed length of 0.56 m, a cross-sectional area of 6.7 10-4 m2, By how much does the thighbone compress when the man is standing on both feet
a 10 kg hollow cylindrical shell rolls on the ground at a linear velocity of 5m/s. its diameter is 50 cm. what is its total kinetic energy
An object is dropped from rest from a height of 3.74E+6 m above the surface of the earth. If there is no air resistance, what is its speed when it strikes the earth
The natural length of the spring AP is twice that of spring PB. Spring AP has a stiffness of 118 N/m and the stiffness of spring PB is twice that of spring AP. The distance AB between the supports is equal to the natural length of the spring AP
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