Find the x and y components of the particle acceleration
A particle is initially moving along the positive x-axis at a speed of 9.40 m/s. After 1.50 s, the particle is moving along the negative y-axis at a speed of 5.38 m/s. Find the x and y components of the particle's acceleration.
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You throw a snowball at an angle of 28.0° below the horizontal from the roof of a building that is 91.0 m above flat ground. The snowball hits the ground a distance of 44.0 m from the base of the building. Assume free fall with up as positive,
The rotational inertia of a collapsing spinning star changes to 3/4 its initial value. What is the ratio of the new rotational kinetic energy to the initial rotational kinetic energy (KEnew / KEi)?
A motorcycle has a constant speed of 28.0 m/s as it passes over the top of a hill whose radius of curvature is 109 m. The mass of the motorcycle and driver is 348 kg. Find the magnitude of the normal force that acts on the cycle.
A boy whirls a stone in a horizontal circle of radius 1.7 m and at height 2.0 m above ground level. The string breaks, and the stone flies horizontally and strikes the ground after traveling a horizontal distance of 10 m. What is the magnitude of
What tangential speed v must the bob have so that it moves in a horizontal circle with the string making an angle 19.0^circ with the vertical?
A rectangular loop is located in a uniform magnetic field of magnitude 0.34 T directed perpendicular to the plane of the coil. If the area of the coil increases at the rate of 5.1 10-3 m2/s, what is the magnitude of the emf induced.
A 9.0 g bullet is fired into a 12 kg wood block that is at rest on a wood table. The block, with the bullet embedded, slides 5.0 {rm cm} across the table. The coefficient of kinetic friction for wood sliding on wood is 0.20. What is the speed of t
When a massive star dies, gravity causes its radius to contract quickly from the size of a giant star (R_i= 8.0x10^8m). find the final rotation period of the neutron star.
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